Crawford County Bridge Report Card

Crawford County scores 69 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D69 / 100

Local infrastructure snapshot

Crawford County, Iowa

Crawford County has 301 bridges in the National Bridge Inventory, with 23 rated poor and 20 rated scour-critical. Its poor-condition share of 7.6% is at or below the 18.6% statewide average. Poor-condition bridges carry about 5,848 daily vehicle crossings.

301Total Bridges

23Poor (7.6%)

143Fair (47.5%)

20Scour-Critical

Quote-Ready Local Facts

7.6%of county bridges are in poor condition, compared with 18.6% statewide and 6.7% nationally.

5,848daily vehicle crossings are on poor-condition bridges in the county.

20bridges are rated scour-critical, or 6.6% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Crawford County a Bridge Condition Exposure Score of 69/100 (D). The county has 301 bridges in the National Bridge Inventory, including 23 in poor condition and 20 rated scour-critical. Poor-condition bridges carry about 5,848 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	7.6%	15.3
Poor-condition traffic exposure	25	3.4% of measured traffic	2.6
Scour-critical bridge share	20	6.6%	13.3
Average age vs national baseline	10	41 years vs 48 nationally	0.0
Traffic-data completeness	5	169,944 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	7.6%
State Poor-Condition Share	18.6%
National Poor-Condition Share	6.7%
County Scour-Critical Share	6.6%
Average Bridge Age	41 years
Poor-Condition Traffic Exposure	5,848 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeFM RT M-36 over East Boyer River — 1,951 vehicles/day Oldest Listed BridgeLocal over Hockett Creek — built in 1900 All County BridgesBrowse every bridge record in Crawford County.

Top Bridges to Watch in Crawford County

Bridge	Reason	Condition	Daily Traffic	Year Built
Main ST over East Boyer River	Poor condition + traffic exposure	Poor	303	1913
Local over Miller Creek	Poor condition + traffic exposure	Poor	58	1981
Local over W Fk W Nishnabotna River	Poor condition + traffic exposure	Poor	46	1944
FM over Soldier River	Poor condition + traffic exposure	Poor	40	1957
Local over East Soldier River	Poor condition + traffic exposure	Poor	34	1957
Local over W Fk W Nishnabotna River	Poor condition + traffic exposure	Poor	30	1945
Local over Big Creek	Poor condition + traffic exposure	Poor	30	1949
Local over Boyer River	Poor condition + traffic exposure	Poor	30	1971
Local over Small Stream	Poor condition + traffic exposure	Poor	21	1965
Local over Boyer River	Poor condition + traffic exposure	Poor	15	1980

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.