Bridge conditions in Madison County, Illinois
524 inventoried bridges · 46 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Madison County tracks close to typical: 46 of its 524 inventoried bridges (8.8%) are rated poor, against a national rate of about 7%.
- 46 of the 524 bridges in Madison County, Illinois, are rated in poor condition (8.8%) in the 2025 National Bridge Inventory, as of .
- 247 bridges (47.1%) are rated good and 231 (44.1%) fair.
- The median Madison County bridge was built in 1984.
- The busiest poor-rated bridge is Fai 270 EB over County Ditch (built 1963), carrying about 24,900 vehicles a day.
Good 47.1% · Fair 44.1% · Poor 8.8% of 524 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fai 270 EB over County Ditch | 1963 | 24,900 | Poor |
| Fai 270 WB over County Ditch | 1963 | 24,900 | Poor |
| I-255 SB over 162 Abandon UPRR 2 trail | 1987 | 20,250 | Poor |
| Fai 255 NB over Horseshoe Lake Road | 1987 | 20,150 | Poor |
| Fai 255 SB over Horseshoe Lake Road | 1987 | 20,150 | Poor |
| I-255 NB over 162 Abandon UPRR 2 trail | 1987 | 20,150 | Poor |
| Il 111/3-homer Ada over Rogers Av & Bloomer | 1958 | 17,200 | Poor |
| Cntr Grove/ Fau 88 over Mct Bike Trail | 1989 | 12,600 | Poor |
| Il 157 / Il 162 over Judys Branch Creek | 1933 | 10,600 | Poor |
| Il 140 over Trib to Indian Creek | 1927 | 8,050 | Poor |
| Alby St/ Fau 8988 over US Route 67 | 1961 | 5,750 | Poor |
| Il 140 over Paddock Creek Branch | 1927 | 5,650 | Poor |
| N Seminary /fau 89 over Black Creek | 1966 | 5,100 | Poor |
| Ill 111 SB over Cahokia Canal | 1961 | 4,050 | Poor |
| Brown St./ Fau 896 over Rockspring Creek | 1955 | 4,000 | Poor |
| N Siu Ent Rd NB over Nsrr | 1968 | 2,775 | Poor |
| N Siu Ent Rd SB over Nsrr | 1968 | 2,775 | Poor |
| Elm St./ Fau 8989 over US Route 67 | 1946 | 2,750 | Poor |
| New Douglas Rd over Silver Creek | 1991 | 1,400 | Poor |
| Ch 31 Ellis Rd over Buckeye Br | 1972 | 1,200 | Poor |
| Tr 115 (harris Lan over W Fork Wood River Ck | 1990 | 1,100 | Poor |
| Fairmont Lane over Fai 55/70/US 40 | 1960 | 1,050 | Poor |
| Maple Grove RD/TR2 over Wendall Br | 1978 | 1,050 | Poor |
| Ch 21 Staunton Rd over Wendell Br | 1968 | 1,000 | Poor |
| CH61/AIRPORT Road over Piasa Creek | 1958 | 650 | Poor |
| Fas 773/ Alhambra over Silver Ck | 1971 | 600 | Poor |
| OR-5 ChainOfRocksR over Chain of Rocks Cn & 2 LR | 1949 | 525 | Poor |
| MS-1980 Willow Crk over Trib to Dunlap Lake | 1991 | 525 | Poor |
| BLACK LANE ramp over Fai 70 | 1960 | 475 | Poor |
| Ch 32 Lebanon Rd over Silver Ck | 1970 | 350 | Poor |
| Tr 172 over Penn Central RR | 1901 | 350 | Poor |
| Lowr Marine RD/TR2 over Sugar Fork Creek | 1963 | 300 | Poor |
| Buckeye Rd/ Tr 371 over Sugar Ck | 1971 | 300 | Poor |
| Lee Rd/ Tr 89 over Sugar Ck | 1965 | 275 | Poor |
| Ch 49 Wieseman Rd. over West Fork Cahokia CR | 1988 | 275 | Poor |
| Stonebrooke Dr over Trib to Dunlap Lake | 1997 | 250 | Poor |
| Tr 288 over Conrail RR | 1901 | 225 | Poor |
| Zilles Rd/ Tr 392 over Trib to Spanker Br | 1925 | 150 | Poor |
| Pebble Creek Drive over Black Creek | 1991 | 150 | Poor |
| Church Rd over Fai 55/i-55 Fr 11.45 | 1966 | 100 | Poor |
| Gorenz Dr/tr 143 over Trib to Silver CR | 1971 | 100 | Poor |
| Ch 14 Sherry Creek over Sherry Creek | 1984 | 100 | Poor |
| Tr 167 Rock Hill over Indian Creek | 1997 | 100 | Poor |
| Tr 194/LONGHI Road over Trib to Canteen Ck | 1984 | 75 | Poor |
| Cedar Rd/ Tr 276 over Lake Fork | 1976 | 50 | Poor |
| Goodall Rd/ Tr 227 over Silver CR Trib | 1976 | 50 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fai 270 over Mississippi River | 1966 | 46,200 | Fair |
| I-270 EB & WB over Chain of Rocks Canal | 2014 | 46,200 | Good |
| Fai 270 EB over Mississippi River | 2024 | 46,200 | Good |
| Fai 270 over Water Main | 1964 | 46,200 | Good |
| I-55/70 over Brush Creek | 1962 | 46,000 | Fair |
| Fai 70 over Canteen Ck | 1939 | 45,600 | Good |
| Fai 255 over Mcdonough Lake Ditch | 1987 | 40,300 | Good |
| Fai 255 over Schnieder Ditch | 1985 | 40,200 | Good |
| Il 255 NB over Ramp 255NB to 270WB | 1994 | 36,500 | Fair |
| Il 255 SB over Ramp 255NB to 270WB | 1994 | 36,500 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Illinois: Illinois bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.