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.

C75 / 100
Local infrastructure snapshot

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.

82Total Bridges
6Poor (7.3%)
11Fair (13.4%)
0Scour-Critical

Quote-Ready Local Facts

7.3%of county bridges are in poor condition, compared with 9.5% statewide and 6.7% nationally.
5,495daily vehicle crossings are on poor-condition bridges in the county.
0bridges are rated scour-critical, or 0.0% of the county bridge inventory.

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.

Download all county report-card scores as CSV.

How the Score Breaks Down

FactorWeightCounty ValuePenalty
Poor-condition bridge share407.3%14.6
Poor-condition traffic exposure2513.6% of measured traffic10.2
Scour-critical bridge share200.0%0.0
Average age vs national baseline1040 years vs 48 nationally0.0
Traffic-data completeness540,420 measured daily crossings0.0

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 Share7.3%
State Poor-Condition Share9.5%
National Poor-Condition Share6.7%
County Scour-Critical Share0.0%
Average Bridge Age40 years
Poor-Condition Traffic Exposure5,495 vehicles/day

Bridges to Watch

Top Bridges to Watch in Gallatin County

BridgeReasonConditionDaily TrafficYear Built
Ill 13 over North Fork Saline RPoor condition + traffic exposurePoor3,7001964
Ill 1 over Crawford CreekPoor condition + traffic exposurePoor1,4001929
Fas 892 over Saline RiverPoor condition + traffic exposurePoor3501900
Sbi 13 (unmarked) over StreamPoor condition + traffic exposurePoor251920
Tr 3 over Abandoned RrPoor condition + traffic exposurePoor101900
Sbi 13 (unmarked) over Cypress DitchPoor condition + traffic exposurePoor101940
Ill 13 over StreamHigh trafficGood3,7001968
Ill 13 over Cypress BranchHigh trafficFair2,7001965
Ill 13 over Cypress DitchHigh trafficFair2,7001965
Ill 13 over StreamHigh trafficFair2,6501955

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.