Putnam County Bridge Report Card

Putnam County scores 42 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F42 / 100

Local infrastructure snapshot

Putnam County, Indiana

Putnam County has 293 bridges in the National Bridge Inventory, with 51 rated poor and 22 rated scour-critical. Its poor-condition share of 17.4% is above the 5.3% statewide average. Poor-condition bridges carry about 26,841 daily vehicle crossings.

293Total Bridges

51Poor (17.4%)

152Fair (51.9%)

22Scour-Critical

Quote-Ready Local Facts

17.4%of county bridges are in poor condition, compared with 5.3% statewide and 6.7% nationally.

26,841daily vehicle crossings are on poor-condition bridges in the county.

22bridges are rated scour-critical, or 7.5% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Putnam County a Bridge Condition Exposure Score of 42/100 (F). The county has 293 bridges in the National Bridge Inventory, including 51 in poor condition and 22 rated scour-critical. Poor-condition bridges carry about 26,841 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	17.4%	34.8
Poor-condition traffic exposure	25	3.5% of measured traffic	2.6
Scour-critical bridge share	20	7.5%	15.0
Average age vs national baseline	10	62 years vs 48 nationally	5.5
Traffic-data completeness	5	761,654 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	17.4%
State Poor-Condition Share	5.3%
National Poor-Condition Share	6.7%
County Scour-Critical Share	7.5%
Average Bridge Age	62 years
Poor-Condition Traffic Exposure	26,841 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeUS 40 over Service RD - State Farm — 5,489 vehicles/day Oldest Listed BridgeDunbar RD over Big Walnut Creek — built in 1880 All County BridgesBrowse every bridge record in Putnam County.

Top Bridges to Watch in Putnam County

Bridge	Reason	Condition	Daily Traffic	Year Built
CR 625w over Maiden Run	Poor condition + traffic exposure	Poor	430	1920
CR 625w over Little Walnut Creek	Poor condition + traffic exposure	Poor	280	1935
CR 875s over Higgins Branch Creek	Poor condition + traffic exposure	Poor	250	1915
CR 250e over Upper Limestone Creek	Poor condition + traffic exposure	Poor	250	1935
CR 1000n over Branch Of N. Ramp Creek	Poor condition + traffic exposure	Poor	200	1935
CR 250w over Jones Creek	Poor condition + traffic exposure	Poor	180	1925
CR 675w over Branch Of Leatherman CR	Poor condition + traffic exposure	Poor	130	1930
CR 500e over Clear Creek	Poor condition + traffic exposure	Poor	110	1915
CR 300s over Sallust Branch Creek	Poor condition + traffic exposure	Poor	110	1920
CR 925e over Sallust Branch Creek	Poor condition + traffic exposure	Poor	110	1940

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.