Gallatin County Bridge Report Card
Gallatin County scores 75 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Gallatin County, Illinois
Gallatin County has 82 bridges in the National Bridge Inventory, with 6 rated poor and 0 rated scour-critical. Its poor-condition share of 7.3% is at or below the 9.5% statewide average. Poor-condition bridges carry about 5,495 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Gallatin County a Bridge Condition Exposure Score of 75/100 (C). The county has 82 bridges in the National Bridge Inventory, including 6 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 5,495 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 7.3% | 14.6 |
| Poor-condition traffic exposure | 25 | 13.6% of measured traffic | 10.2 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 40 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 40,420 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 7.3% |
| State Poor-Condition Share | 9.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 40 years |
| Poor-Condition Traffic Exposure | 5,495 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Gallatin County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Ill 13 over North Fork Saline R | Poor condition + traffic exposure | Poor | 3,700 | 1964 |
| Ill 1 over Crawford Creek | Poor condition + traffic exposure | Poor | 1,400 | 1929 |
| Fas 892 over Saline River | Poor condition + traffic exposure | Poor | 350 | 1900 |
| Sbi 13 (unmarked) over Stream | Poor condition + traffic exposure | Poor | 25 | 1920 |
| Tr 3 over Abandoned Rr | Poor condition + traffic exposure | Poor | 10 | 1900 |
| Sbi 13 (unmarked) over Cypress Ditch | Poor condition + traffic exposure | Poor | 10 | 1940 |
| Ill 13 over Stream | High traffic | Good | 3,700 | 1968 |
| Ill 13 over Cypress Branch | High traffic | Fair | 2,700 | 1965 |
| Ill 13 over Cypress Ditch | High traffic | Fair | 2,700 | 1965 |
| Ill 13 over Stream | High traffic | Fair | 2,650 | 1955 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.