Allamakee County Bridge Report Card

Allamakee County scores 71 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C71 / 100

Local infrastructure snapshot

Allamakee County, Iowa

Allamakee County has 197 bridges in the National Bridge Inventory, with 21 rated poor and 0 rated scour-critical. Its poor-condition share of 10.7% is at or below the 18.6% statewide average. Poor-condition bridges carry about 5,541 daily vehicle crossings.

197Total Bridges

21Poor (10.7%)

114Fair (57.9%)

0Scour-Critical

Quote-Ready Local Facts

10.7%of county bridges are in poor condition, compared with 18.6% statewide and 6.7% nationally.

5,541daily vehicle crossings are on poor-condition bridges in the county.

0bridges are rated scour-critical, or 0.0% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Allamakee County a Bridge Condition Exposure Score of 71/100 (C). The county has 197 bridges in the National Bridge Inventory, including 21 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 5,541 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	10.7%	21.3
Poor-condition traffic exposure	25	8.3% of measured traffic	6.2
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	51 years vs 48 nationally	1.1
Traffic-data completeness	5	66,916 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	10.7%
State Poor-Condition Share	18.6%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	51 years
Poor-Condition Traffic Exposure	5,541 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeIa 9 over Mississippi River — 2,200 vehicles/day Oldest Listed BridgeLocal RD over Br Suttle Creek — built in 1900 All County BridgesBrowse every bridge record in Allamakee County.

Top Bridges to Watch in Allamakee County

Bridge	Reason	Condition	Daily Traffic	Year Built
Ia 9 over Mississippi River	Poor condition + traffic exposure	Poor	2,200	1931
FM over Branch Yellow River	Poor condition + traffic exposure	Poor	933	1999
FM over Wexford Creek	Poor condition + traffic exposure	Poor	530	1970
FM over Branch Yellow River	Poor condition + traffic exposure	Poor	373	1922
Local RD over Br Miss River	Poor condition + traffic exposure	Poor	294	1978
FM over Clear Creek	Poor condition + traffic exposure	Poor	200	1962
Local over Village Creek	Poor condition + traffic exposure	Poor	157	1966
FM over Paint Creek	Poor condition + traffic exposure	Poor	137	1957
Local over Yellow River	Poor condition + traffic exposure	Poor	128	1954
Local over Paint Creek	Poor condition + traffic exposure	Poor	120	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.