Bridge conditions in Richland County, Illinois
151 inventoried bridges · 6 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 151 bridges in Richland County: 106 rated good, 39 fair, and 6 poor.
- 6 of the 151 bridges in Richland County, Illinois, are rated in poor condition (4.0%) in the 2025 National Bridge Inventory, as of .
- 106 bridges (70.2%) are rated good and 39 (25.8%) fair.
- The median Richland County bridge was built in 1986.
- The busiest poor-rated bridge is Tr-211 over E Fk Bonpas Creek (built 1909), carrying about 100 vehicles a day.
Good 70.2% · Fair 25.8% · Poor 4.0% of 151 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-211 over E Fk Bonpas Creek | 1909 | 100 | Poor |
| Tr-120 over Creek | 1909 | 50 | Poor |
| Tr-266 over Paul Creek | 1909 | 50 | Poor |
| Tr-3 over Hurricane Creek | 1909 | 35 | Poor |
| Tr-261 over Bonpas Creek | 1909 | 25 | Poor |
| Tr-19 over Long Branch | 1909 | 20 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap-116 (ill-130) over Stream | 1977 | 9,750 | Fair |
| Fap-116 (ill-130) over East Fork Fox River | 1927 | 5,800 | Fair |
| Fap-116 (ill-130) over Long Br Fox River | 1983 | 4,850 | Fair |
| Fap 116(IL 130) over Little Fox River | 1999 | 4,500 | Good |
| Fap 116(IL 130) over Big Creek | 1999 | 4,500 | Good |
| Fap-327 (US-50) over Fox River | 1961 | 4,200 | Fair |
| Fap 116 over Turkey Creek | 2017 | 4,050 | Good |
| Fap 327 (US 50) over Big Muddy Creek | 2017 | 4,000 | Good |
| Fap-116 (ill-130) over Sugar Creek | 1982 | 3,950 | Good |
| Fap-327 (US-50) over Sugar Creek | 1963 | 3,750 | 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.