Bridge conditions in Saline County, Illinois
185 inventoried bridges · 8 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Saline County tracks close to typical: 8 of its 185 inventoried bridges (4.3%) are rated poor, against a national rate of about 7%.
- 8 of the 185 bridges in Saline County, Illinois, are rated in poor condition (4.3%) in the 2025 National Bridge Inventory, as of .
- 131 bridges (70.8%) are rated good and 46 (24.9%) fair.
- The median Saline County bridge was built in 1992.
- The busiest poor-rated bridge is Ill 34 & 145 over Stream (built 1924), carrying about 4,100 vehicles a day.
Good 70.8% · Fair 24.9% · Poor 4.3% of 185 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 |
|---|---|---|---|
| Ill 34 & 145 over Stream | 1924 | 4,100 | Poor |
| Ill 13 over Mid Fork Saline Riv. | 1972 | 3,350 | Poor |
| US 45 over Stream | 1925 | 2,000 | Poor |
| Tr 119 over Stream | 1915 | 300 | Poor |
| Fas 1897-ch 25 over Stream | 1988 | 225 | Poor |
| Ch 4 over Trib to Rector Creek | 1983 | 175 | Poor |
| Ch 6 over Indian Creek | 1992 | 75 | Poor |
| Tr 291 over Br Pond Creek | 1987 | 10 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 332-us 45 over Drainage Ditch | 2007 | 10,900 | Good |
| US 45 over Mid Fork Saline Riv. | 1982 | 10,200 | Good |
| US 45-fap 332 over Middle Fork Saline R | 2004 | 10,200 | Good |
| Fap 332-us 45 (SB) over Stream | 2002 | 9,550 | Good |
| Fap 332-us 45 (NB) over Stream | 2002 | 9,550 | Good |
| Fap 332-us 45 (NB) over Stream | 2002 | 9,550 | Good |
| Fap 332-us 45 (SB) over Stream | 2002 | 9,550 | Good |
| Fap 332-us 45 (NB) over Stream | 2002 | 9,500 | Good |
| Fap 332-us 45 (SB) over Stream | 2002 | 9,500 | Good |
| New Il 13 EB over Possum Tail Branch | 1997 | 9,100 | 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.