Floyd County Bridge Report Card

Floyd County scores 65 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D65 / 100

Local infrastructure snapshot

Floyd County, Iowa

Floyd County has 214 bridges in the National Bridge Inventory, with 30 rated poor and 1 rated scour-critical. Its poor-condition share of 14.0% is at or below the 18.6% statewide average. Poor-condition bridges carry about 19,067 daily vehicle crossings.

214Total Bridges

30Poor (14.0%)

76Fair (35.5%)

1Scour-Critical

Quote-Ready Local Facts

14.0%of county bridges are in poor condition, compared with 18.6% statewide and 6.7% nationally.

19,067daily 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 Floyd County a Bridge Condition Exposure Score of 65/100 (D). The county has 214 bridges in the National Bridge Inventory, including 30 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 19,067 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	14.0%	28.0
Poor-condition traffic exposure	25	8.3% of measured traffic	6.2
Scour-critical bridge share	20	0.5%	0.9
Average age vs national baseline	10	40 years vs 48 nationally	0.0
Traffic-data completeness	5	229,095 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	14.0%
State Poor-Condition Share	18.6%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.5%
Average Bridge Age	40 years
Poor-Condition Traffic Exposure	19,067 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeGilbert ST over Shermans Creek — 6,893 vehicles/day Oldest Listed BridgeLocal over Winnebago River — built in 1900 All County BridgesBrowse every bridge record in Floyd County.

Top Bridges to Watch in Floyd County

Bridge	Reason	Condition	Daily Traffic	Year Built
Local over Flood Creek	Poor condition + traffic exposure	Poor	26	1929
Gilbert ST over Shermans Creek	Poor condition + traffic exposure	Poor	6,893	1914
Main ST over Cedar River	Poor condition + traffic exposure	Poor	4,971	1909
FM over Little Cedar River	Poor condition + traffic exposure	Poor	1,414	1974
FM over Drainage Ditch	Poor condition + traffic exposure	Poor	1,159	1919
HWY 147 over Small Natural Stream	Poor condition + traffic exposure	Poor	1,070	1967
Old HWY RD over Bloody Run Creek	Poor condition + traffic exposure	Poor	687	1927
HWY 147 over Flood Creek	Poor condition + traffic exposure	Poor	668	1930
FM over Flood Creek	Poor condition + traffic exposure	Poor	491	1975
FM over Winnebago River	Poor condition + traffic exposure	Poor	442	1964

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.