Bridge conditions in Shelby County, Illinois
335 inventoried bridges · 26 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 335 bridges in Shelby County: 184 rated good, 125 fair, and 26 poor.
- 26 of the 335 bridges in Shelby County, Illinois, are rated in poor condition (7.8%) in the 2025 National Bridge Inventory, as of .
- 184 bridges (54.9%) are rated good and 125 (37.3%) fair.
- The median Shelby County bridge was built in 1988.
- The busiest poor-rated bridge is Tr 62(N. Main St) over Long Grove Creek (built 1953), carrying about 1,250 vehicles a day.
Good 54.9% · Fair 37.3% · Poor 7.8% of 335 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 |
|---|---|---|---|
| Tr 62(N. Main St) over Long Grove Creek | 1953 | 1,250 | Poor |
| Fas 1632(CH 38) over W Br Little Wabash R | 1916 | 475 | Poor |
| Fas 648(CH 16) over Stream | 1939 | 425 | Poor |
| Ch 16(FAS 648) over Flat Branch | 1942 | 350 | Poor |
| Fas 648(CH 16) over Flat Branch | 1939 | 350 | Poor |
| Ch 18 over Mud Creek | 1961 | 200 | Poor |
| Tr 385 over Little Wabash | 1924 | 200 | Poor |
| Ch 40 over Richland Creek | 1923 | 150 | Poor |
| Tr 6 over Oppossum Creek | 1909 | 100 | Poor |
| Tr 320 over Richland Creek | 1909 | 75 | Poor |
| Tr 207 over Swafford Creek | 1909 | 75 | Poor |
| Tr 109 over Stream | 1915 | 50 | Poor |
| Tr 109 over Stream | 1909 | 50 | Poor |
| Tr 130 over Stream | 1909 | 50 | Poor |
| Tr 181 over Richland Creek | 1909 | 50 | Poor |
| Tr 199 over Richland Creek | 1966 | 50 | Poor |
| Tr 313 over Richland Creek | 1967 | 50 | Poor |
| Tr 499 A over Stream | 1920 | 50 | Poor |
| Tr 285 over Opposum Creek | 1969 | 50 | Poor |
| Tr 9 over Stream | 1939 | 50 | Poor |
| Tr 124 over Stream | 1939 | 50 | Poor |
| Tr 221 over Rocky Branch | 1909 | 35 | Poor |
| Tr 354 B over Br Little Wabash R | 1909 | 35 | Poor |
| Tr 304 over Brush Creek | 1909 | 25 | Poor |
| Tr 341 over Sand Creek | 1980 | 25 | Poor |
| Tr 73 over Wolf Creek | 1977 | 25 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 325 (il 16) over Swafford Branch | 1991 | 8,200 | Fair |
| Fap 325(IL 16) over Kaskaskia River | 1975 | 6,500 | Fair |
| Fap 325(ILL 16) over Robinson Creek | 1967 | 5,200 | Fair |
| Fap 325(ILL 16) over Stream | 1924 | 4,800 | Fair |
| US 51 (fap 322) over Long Grove CR. | 2002 | 4,800 | Fair |
| US 51 (fap 322) over Long Grove CR. | 2002 | 4,800 | Fair |
| Il 16 (fap 325) over Stream | 1966 | 4,800 | Good |
| Ill 16(FAP 325) over Creek | 1966 | 4,800 | Fair |
| Fap 766(IL 32) over Wolf Creek | 1994 | 4,800 | Good |
| Fap 325(IL 16) over Lake Pana | 1992 | 4,500 | Good |
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.