Webster County Bridge Report Card

Webster County scores 41 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F41 / 100
Local infrastructure snapshot

Webster County, Iowa

Webster County has 190 bridges in the National Bridge Inventory, with 48 rated poor and 1 rated scour-critical. Its poor-condition share of 25.3% is above the 18.6% statewide average. Poor-condition bridges carry about 62,089 daily vehicle crossings.

190Total Bridges
48Poor (25.3%)
55Fair (28.9%)
1Scour-Critical

Quote-Ready Local Facts

25.3%of county bridges are in poor condition, compared with 18.6% statewide and 6.7% nationally.
62,089daily vehicle crossings are on poor-condition bridges in the county.
1bridges are rated scour-critical, or 0.5% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Webster County a Bridge Condition Exposure Score of 41/100 (F). The county has 190 bridges in the National Bridge Inventory, including 48 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 62,089 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 share4025.3%40.0
Poor-condition traffic exposure2523.5% of measured traffic17.7
Scour-critical bridge share200.5%1.1
Average age vs national baseline1042 years vs 48 nationally0.0
Traffic-data completeness5263,769 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 Share25.3%
State Poor-Condition Share18.6%
National Poor-Condition Share6.7%
County Scour-Critical Share0.5%
Average Bridge Age42 years
Poor-Condition Traffic Exposure62,089 vehicles/day

Bridges to Watch

Top Bridges to Watch in Webster County

BridgeReasonConditionDaily TrafficYear Built
Local over Knack CreekPoor condition + traffic exposurePoor461915
5th AVE over Drainage DitchPoor condition + traffic exposurePoor8,8941955
N 15th ST over Soldier CreekPoor condition + traffic exposurePoor8,7981974
E Hawkeye AVE over Des Moines RiverPoor condition + traffic exposurePoor6,8751987
North 3rd ST over Soldier Creek & TrailPoor condition + traffic exposurePoor5,7681961
N 7th ST over Soldier CreekPoor condition + traffic exposurePoor5,5461995
US 169 over Bass CreekPoor condition + traffic exposurePoor4,6801958
FM over Soldier CR (dd No 247)Poor condition + traffic exposurePoor2,3641974
FM over Dd No 247Poor condition + traffic exposurePoor2,2841974
FM over DrainagePoor condition + traffic exposurePoor1,7951977

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.