Ida County Bridge Report Card

Ida County scores 55 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F55 / 100

Local infrastructure snapshot

Ida County, Iowa

Ida County has 182 bridges in the National Bridge Inventory, with 30 rated poor and 2 rated scour-critical. Its poor-condition share of 16.5% is at or below the 18.6% statewide average. Poor-condition bridges carry about 10,927 daily vehicle crossings.

182Total Bridges

30Poor (16.5%)

78Fair (42.9%)

2Scour-Critical

Quote-Ready Local Facts

16.5%of county bridges are in poor condition, compared with 18.6% statewide and 6.7% nationally.

10,927daily vehicle crossings are on poor-condition bridges in the county.

2bridges are rated scour-critical, or 1.1% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Ida County a Bridge Condition Exposure Score of 55/100 (F). The county has 182 bridges in the National Bridge Inventory, including 30 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 10,927 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	16.5%	33.0
Poor-condition traffic exposure	25	13.0% of measured traffic	9.7
Scour-critical bridge share	20	1.1%	2.2
Average age vs national baseline	10	43 years vs 48 nationally	0.0
Traffic-data completeness	5	84,086 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	16.5%
State Poor-Condition Share	18.6%
National Poor-Condition Share	6.7%
County Scour-Critical Share	1.1%
Average Bridge Age	43 years
Poor-Condition Traffic Exposure	10,927 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeLocal over Odebolt Creek — 2,884 vehicles/day Oldest Listed BridgeLocal Road over Soldier River — built in 1900 All County BridgesBrowse every bridge record in Ida County.

Top Bridges to Watch in Ida County

Bridge	Reason	Condition	Daily Traffic	Year Built
Local Road over Soldier River	Poor condition + traffic exposure	Poor	11	1900
Local over Creek	Poor condition + traffic exposure	Poor	5	1964
Local over Odebolt Creek	Poor condition + traffic exposure	Poor	2,884	1967
Washington Street over Odebolt Creek	Poor condition + traffic exposure	Poor	1,635	1972
Main ST over Badger Creek	Poor condition + traffic exposure	Poor	1,043	1968
FM over Unnamed Creek	Poor condition + traffic exposure	Poor	598	1961
FM over Odebolt Creek	Poor condition + traffic exposure	Poor	589	1964
FM over Silver Creek	Poor condition + traffic exposure	Poor	589	1969
FM over Battle Creek	Poor condition + traffic exposure	Poor	499	1969
FM over Small	Poor condition + traffic exposure	Poor	379	1900

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.