Bridge conditions in De Witt County, Illinois
192 inventoried bridges · 11 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
De Witt County tracks close to typical: 11 of its 192 inventoried bridges (5.7%) are rated poor, against a national rate of about 7%.
- 11 of the 192 bridges in De Witt County, Illinois, are rated in poor condition (5.7%) in the 2025 National Bridge Inventory, as of .
- 107 bridges (55.7%) are rated good and 74 (38.5%) fair.
- The median De Witt County bridge was built in 1981.
- The busiest poor-rated bridge is Il 54 (fap 71) over I-74 (built 1970), carrying about 2,800 vehicles a day.
Good 55.7% · Fair 38.5% · Poor 5.7% of 192 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 |
|---|---|---|---|
| Il 54 (fap 71) over I-74 | 1970 | 2,800 | Poor |
| FAU-7331 (Walnut S over Ten Mile Creek | 1974 | 600 | Poor |
| Tr 151 over Coon Creek | 1966 | 350 | Poor |
| MS-1090 (Webster S over Ten Mile Creek | 1970 | 150 | Poor |
| Tr 189 over Coon Creek | 1962 | 150 | Poor |
| Tr 56 over Ten Mile Creek | 1986 | 75 | Poor |
| Tr 74 over Long Point Creek | 1931 | 50 | Poor |
| Tr 109 over Ten Mile Creek | 1966 | 50 | Poor |
| Tr 203 over Coon Creek | 1900 | 50 | Poor |
| Tr 51 over Rock Creek | 1964 | 25 | Poor |
| Tr 188 over N Fork Salt Creek | 1911 | 25 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-74 over Creek | 1970 | 21,200 | Good |
| I-74 (EB) over Salt Creek | 1970 | 10,750 | Fair |
| I-74 (WB) over Salt Creek | 1970 | 10,750 | Fair |
| I-74 (EB) over US 150 & NS RR(aband) | 1970 | 10,600 | Fair |
| I-74 (WB) over US 150 & NS RR(aband) | 1970 | 10,600 | Fair |
| I-74 (EB) over Fas 2495 | 1970 | 10,600 | Fair |
| I-74 (WB) over Fas 2495 | 1970 | 10,600 | Fair |
| I-74 (EB) over Canadian National Railwa | 1970 | 10,600 | Fair |
| I-74 (WB) over Canadian National Railwa | 1970 | 10,600 | Fair |
| I-74 (EB) over Trib to Salt Creek | 1970 | 10,600 | 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.