Scott County Bridge Report Card

Scott County scores 76 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C76 / 100

Local infrastructure snapshot

Scott County, Iowa

Scott County has 291 bridges in the National Bridge Inventory, with 29 rated poor and 1 rated scour-critical. Its poor-condition share of 10.0% is at or below the 18.6% statewide average. Poor-condition bridges carry about 78,223 daily vehicle crossings.

291Total Bridges

29Poor (10.0%)

158Fair (54.3%)

1Scour-Critical

Quote-Ready Local Facts

10.0%of county bridges are in poor condition, compared with 18.6% statewide and 6.7% nationally.

78,223daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 0.3% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Scott County a Bridge Condition Exposure Score of 76/100 (C). The county has 291 bridges in the National Bridge Inventory, including 29 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 78,223 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	10.0%	19.9
Poor-condition traffic exposure	25	4.4% of measured traffic	3.3
Scour-critical bridge share	20	0.3%	0.7
Average age vs national baseline	10	45 years vs 48 nationally	0.0
Traffic-data completeness	5	1,772,883 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	10.0%
State Poor-Condition Share	18.6%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.3%
Average Bridge Age	45 years
Poor-Condition Traffic Exposure	78,223 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeUS 67 over Miss Rvr Rr & Ia 461 — 26,500 vehicles/day Oldest Listed BridgeE 13th ST over Over I.c.e. Rr — built in 1900 All County BridgesBrowse every bridge record in Scott County.

Top Bridges to Watch in Scott County

Bridge	Reason	Condition	Daily Traffic	Year Built
US 67 over Miss Rvr Rr & Ia 461	Poor condition + traffic exposure	Poor	26,500	1940
Eastern AVE over Duck Creek	Poor condition + traffic exposure	Poor	15,300	1900
Eastern AVE over Goose Creek	Poor condition + traffic exposure	Poor	10,200	1978
Eastern AVE over Goose Creek	Poor condition + traffic exposure	Poor	6,376	1978
18th ST over Duck Creek	Poor condition + traffic exposure	Poor	4,210	1962
S Clark ST over Blackhawk Creek	Poor condition + traffic exposure	Poor	4,004	1950
Co RD Y-68 over Wapsi River Overflow	Poor condition + traffic exposure	Poor	2,310	1922
Wells Ferry RD over Spencer Creek	Poor condition + traffic exposure	Poor	1,700	1972
60th AVE over Mud Creek	Poor condition + traffic exposure	Poor	1,280	1940
Big Rock RD over Creek	Poor condition + traffic exposure	Poor	1,060	1923

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.