Carroll County Bridge Report Card

Carroll County scores 92 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

A92 / 100

Local infrastructure snapshot

Carroll County, Indiana

Carroll County has 160 bridges in the National Bridge Inventory, with 2 rated poor and 3 rated scour-critical. Its poor-condition share of 1.2% is at or below the 5.3% statewide average. Poor-condition bridges carry about 108 daily vehicle crossings.

160Total Bridges

2Poor (1.2%)

97Fair (60.6%)

3Scour-Critical

Quote-Ready Local Facts

1.2%of county bridges are in poor condition, compared with 5.3% statewide and 6.7% nationally.

108daily vehicle crossings are on poor-condition bridges in the county.

3bridges are rated scour-critical, or 1.9% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Carroll County a Bridge Condition Exposure Score of 92/100 (A). The county has 160 bridges in the National Bridge Inventory, including 2 in poor condition and 3 rated scour-critical. Poor-condition bridges carry about 108 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

Factor	Weight	County Value	Penalty
Poor-condition bridge share	40	1.2%	2.5
Poor-condition traffic exposure	25	0.1% of measured traffic	0.0
Scour-critical bridge share	20	1.9%	3.8
Average age vs national baseline	10	52 years vs 48 nationally	1.6
Traffic-data completeness	5	213,656 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	1.2%
State Poor-Condition Share	5.3%
National Poor-Condition Share	6.7%
County Scour-Critical Share	1.9%
Average Bridge Age	52 years
Poor-Condition Traffic Exposure	108 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeCR 825w over Rattlesnake Creek — 59 vehicles/day Oldest Listed BridgeTowpath RD over Burnetts Creek — built in 1840 All County BridgesBrowse every bridge record in Carroll County.

Top Bridges to Watch in Carroll County

Bridge	Reason	Condition	Daily Traffic	Year Built
CR 825w over Rattlesnake Creek	Poor condition + traffic exposure	Poor	59	1972
CR 625w over Rattlesnake Creek	Poor condition + traffic exposure	Poor	49	1973
SR 29 over Deer Creek	Scour-critical foundation rating	Good	3,955	1987
SR 75 over M Fork Wildcat Creek	Scour-critical foundation rating	Fair	2,573	1942
SR 75 over Bachelor Run	Scour-critical foundation rating	Fair	1,326	1966
US 421 over Deer Creek	High traffic	Good	10,908	2000
SR 25 SB over Bridge Creek	High traffic	Good	9,437	2012
SR 25 over Unt Bridge Creek	High traffic	Fair	9,400	2013
US 421 over Wabash River	High traffic	Fair	9,092	1996
SR 25 over Robinson Branch	High traffic	Fair	8,297	1963

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.