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- Main girder copes ends
Bridge service const. Causes.No Repair.No Repair and Retrofit method year year No. No. Shinkansen Br. (fatigue cracks at coped end of girder) 30 1964 H Reinforcement by truss structure Steel bridge on roadway bridge (at coped end) 14 1964 2 H Stop hole and Bolt splice Steel bridge on roadway bridge (at coped end) (Part 2) 13 1968 2 H Reweld and Bolt splice Gerber bridge on roadway bridge 29 1955 2 H Stop hole and Reweld and Bolt splice Gerber bridge on roadway bridge (Part 2) 29 1962 2 H Reweld and Bolt splice
- Floorbeam web copes at the flange termination
Steel bridge on Hanshin Expressway (at floor-beam coped end) 1988 4 E Re-welding and Bolt splice Lehigh Canal and River Br. 20 1962 4 E Bolt splice 20 1962 3 E+G Stop hole and Bolt splice Woodrow Wilson Memorial Br. 20 1962 2 E+G Stop hole and Bolt splice 2682 Br. in I-79 12 1972 4 E+G Stop hole and Angle connection Steel girder interstate highway bridge 20 2 F Removal of connection bolts I-470 and I-79 tied arch Br. 7 1976 3 G+H Stop hole and Bolt splice Deck-type Langer bridge on roadway bridge 21 1955 2 H Knee bracing and flange connection
- Floorbeam web-flange welds at the beam termination
Prairie Du Chien Br. 5 1974 3 G+H Stop hole and Bolt splice Deck-type curved-chord warren truss bridge 21 1968 3 H Flanges connection
- Longitudinal girder web copes at the flange termination
I-93 10 1974 3 E+G Stop hole and Bolt splice (Bolt removal) 15 1969 3 F Gap increase Deck-type two hinge arch Br. 20 1962 2 E Stop hole + splice Deck-type Langer bridge on roadway bridge 21 1955 2 H Knee bracing and flange connection 51.4 Bridge 5 1970 2 H Bolt splice
Skewed girder bridge on roadway bridge 18 1964 2 E+G Stop hole and Bolt splice The Third line of The Metropolitan Expressway 15 1971 2 E+G Stop hole and Bolt splice Shindenpo Bridge of Route 43 24 1966 4 F Replacement and Bolt connecting Steel bridge on Hanshin Expressway (at sole plate) 12,14 1970 4 B+E+G Stop hole, Scallop, Re-welding and Weld connection (I-section) +E Bolt connection (Box-section) Gerber bridge on roadway bridge (Part 2) 29 1962 2 H Reweld and Bolt splice
- Termination of cover plate welded to the flange
King Street Bridge 1 1961 2 H Pre-stress with steel cables Yellow Mill Pond Br. (Cover plate ends, stress concentration) 12 1958 2 E Bolt splice 12 1958 2 C Peening and TIG dressing
- Butt connection groove welds of the cover plates
U.S.51 Br. 22 1958 1 E Bolt splice I-95? 20 1961 2 E Bolt splice Quinnipiac River (Defects in the butt welds of horizontal stiffener) 9 1964 1 E Bolt splice
- Along the fillet weld connecting web to flange
Gulf Outlet Br. 13 1965 1 A Crack removal Woodrow Wilson Memorial Br. 20 1962 2 E+B+G Stop hole and gouging+re-weld,Bolt splice Walt Whitman Br. 11 1957 3 H Restraint removal Steel bridge on Hanshin Expressway (at cantilever bracket) 4 H Replacement of the bracket
- Along the groove weld connecting web to flange
Section L-2C 8 1979 1 A Grind out and Hole saw I-470 and I-79 tied arch Br. 7 1976 1,3 G+H Stop hole and Bolt splice I-470 and I-79 tied arch Br. 0 1983 1,3 G+H Stop hole and Angle connection
- Girder web gaps of the girder-transverse connection plates
| Poplar Street Br. | 2 | 1971 | 3 | B+G+H | Stop hole and Reweld |
| Steel bridge of The Tomei Expressway | 15 | 1968 | 3 | D | Addition of the cross bracing |
| Steel bridge on highway I-75, Georgia, USA | 20 | 1976 | 2 | D | Stop hole or re-weld |
| Steel bridge on Hanshin Expressway (at bracket end) | 4 | E | Bolt connection | ||
| Woodrow Wilson Memorial Br. | 20 | 1962 | 2 | E+G | Stop hole and Bolt splice |
| I-83 and I-695 Interchange | 6 | 1974 | 3 | F+G | Stop hole and Tab connection |
| Chamberlain Br. | 21 | 1952 | 3 | G | Stop hole and weld connection |
| Belle Fourche River Br. | 18 | 1958 | 3 | G | Stop hole and weld connection |
| Beaver Creek Br. | 15 | 1969 | 3 | G | Stop hole |
| Platte-Winner Br. | 25 | 1961 | 3 | G+H | Stop hole and Dog bone |
| Daniel Boone Br. | 20 | 1965 | 3 | G+H | Stop hole and Angle connection |
| 2680 Br. | 12 | 1972 | 3 | G+H | Stop hole and Angle connection |
| Prairie Du Chien Br. | 5 | 1974 | 3 | G+H | Stop hole and Bolt splice |
| I-470 and I-79 tied arch Br. | 7 | 1976 | 1,3 | G+H | Stop hole and Bolt splice |
| Thomas Br. | 7 | 1979 | 3 | G+H | Stop hole and Positive attachment |
| I-470 and I-79 tied arch Br. | 0 | 1983 | 1,3 | G+H | Stop hole and Angle connection |
| Polk County Br. | 16 | 1963 | 3 | H | Gap increase and Bolt connection |
| Jhojuin Br. (connection plates between floor beams and truss chords) | 22 | 1969 | 3 | H | Reweld + Newly attachment |
| I-84 | 6 | 1978 | 4 | H | Plate removal |
| Section D10 | 5 | 1979 | 3 | H | Bolt splice |
- Web gap plates at the girder-floorbeam connection
| Steel bridge on Hanshin Expressway | 14 | 1969 | 3 | B | Replacement and welding |
| The Fourth Line of The Metropolitan Expressway | 15 | 1973 | 3 | D | Replacement or welding and TIG dressing |
- Girder web gaps at the ends of the vertical stiffeners
| Shinkansen Br. (ends of vertical stiffener) | 10 | 1974 | 4 | D | TIG dressing |
| Steel Railway Bridge in Norway | a few | 1960s | 3 | G | Stop hole and Design change suggested |
| Cleveland I-90 (vibration while the girders carried by train) | 0 | 1973 | 4 | G | Stop hole and H.T.B |
| I-480 Cuyahoga River Br. | 0 | 1973 | 4 | G | Stop hole |
| 2682 Br. in I-79 | 12 | 1972 | 3 | G | Stop hole |
| 2680 Br. | 12 | 1972 | 3 | G+H | Stop hole and Angle connection |
| 10 | 1974 | 4 | H | Stop hole + Adding plate |
- Girder horizontal web gap between the vertical and longitudinal stiffeners ,or vertical stiffeners and lateral tab
| Hanshin Expressway (at web gusset) | 13 | 1970 | 4 | E | Bolt splice |
| Canoe Creek Br. | 14 | 1969 | 3 | G+E | Stop hole and Angle connection |
| 2682 Br. | 12 | 1972 | 4 | G+E | Stop hole and Angle connection |
| Platte-Winner Br. | 25 | 1961 | 3 | G+H | Stop hole and Dog bone |
Lafayette St. Br. 7 1968 1 F Bolt splice Third St. Viaduct 18 1960 1 G+E Stop hole and Bolt splice
Hanshin Expressway (at gusset end) 2 H Replacement and Angle connection
Allegheny R. Br. 19 1952 3 E Bolt splice Lehigh Canal and R. Br. 19 1953 3 H Plate removal
- Attached to the vertical stiffener
| Steel plate floor of Metropolitan Expressway | 14 | 1971 | 4 | F | Stop hole and plate connection |
- Attached to a flange
| Steel plate floor of Metropolitan Expressway | 14 | 1971 | 4 | F | Stop hole and plate connection |
Hanshin Expressway (at floorbeam end) 1970 3 E Bolt splice Sozuka-Ohhashi (at member connection) 15+5 1966 3 H Addition of the diagonal member
Hanshin Expressway (at corner plate weld) 16 1968 3 F Removing a part of the corner plate Minato-Shin br. of R-23 23 1964 2 G+H Stop hole and Addition of truss structures Haseltalbrucke Br. 25 1958 2 H Re-welding,Cover plate and Truss struct.
Severn Crossing 5 1971 3 B Re-welding 3 F Plate welding, Cut away and splice pate
Eyebar-pin connections 35 1914 4 H Covering the new member Hangers and pinned connections 39 1928 4 H Replacement
Two hinges arch br. (Part 2) 20 1969 3 D+E Reweld and TIG dressing and Bolt splice Komazawa Br. 22 2 E Bolt splice Shemimaru Bridge of Meishin Expressway 21 1963 2 F Improving gusset details 21 1963 2 H Addition of the members Two hinges arch br. 16 1965 2 G+E+H Stop hole, Bolt splice and Pin connection Deck-type Arch br. on Tomei Expressway 1969 3 G+H Stop hole and plate connection Shitoku-Ohashi 0.4 1967 4 H Plate connection and Spiraled of trip wire Commodore John J. Barry Br. 0 1973 4 H Cable addition and Damper Mashita Br. 4 H Plate connection Deck-type two hinge arch Br. 20 1962 3 H Improving gusset details
- Connection between transverse beam and column
| Ft. Duquesne Br. | 10 | 1968 | 1 | H | Bolt splice |
| I-93 | 13 | 1974 | 1 | H | Stop hole and Wide flange detail |
| T-type steel pier on Hanshin Expressway | 1 | H | Plate connection |
- Box beam web connected to the girder bottom flang
| Dan Ryan Ex. | 9 | 1969 | 1 | F | Saw cut |
| Hanshin Expressway (at branching girder end) | 1 | B | Re-welding and Plate connection | ||
| Aquasabon R. Br. | 15 | 1948 | 1 | E | Bolt splice |
| No. 28 Co. road Br. | 9 | 1968 | 1 | E | Replacement |
| Sozuka-Ohhashi (at member connection) | 15+5 | 1966 | 3 | H | Addition of the diagonal member |
| Sozuka-Ohhashi (at suspension member) | 15 | 1966 | 3 | H | Replacement |
| Fremont Br. | 0 | 1971 | 2 | H | Web modification |
| Through-type Langer br. | 4 | H | Rewelding and installing rib and device | ||
| Case in BASIC oxygen furnace hoods | Re-welding or Replacement | ||||
| Collapse of a Warehouse | 0 | Modification of truss structure |
