Ottawa County Bridge Report Card

Ottawa County scores 42 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F42 / 100

Local infrastructure snapshot

Ottawa County, Oklahoma

Ottawa County has 271 bridges in the National Bridge Inventory, with 59 rated poor and 20 rated scour-critical. Its poor-condition share of 21.8% is above the 7.5% statewide average. Poor-condition bridges carry about 9,024 daily vehicle crossings.

271Total Bridges

59Poor (21.8%)

108Fair (39.9%)

20Scour-Critical

Quote-Ready Local Facts

21.8%of county bridges are in poor condition, compared with 7.5% statewide and 6.7% nationally.

9,024daily vehicle crossings are on poor-condition bridges in the county.

20bridges are rated scour-critical, or 7.4% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Ottawa County a Bridge Condition Exposure Score of 42/100 (F). The county has 271 bridges in the National Bridge Inventory, including 59 in poor condition and 20 rated scour-critical. Poor-condition bridges carry about 9,024 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	21.8%	40.0
Poor-condition traffic exposure	25	1.1% of measured traffic	0.8
Scour-critical bridge share	20	7.4%	14.8
Average age vs national baseline	10	55 years vs 48 nationally	2.9
Traffic-data completeness	5	797,970 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	21.8%
State Poor-Condition Share	7.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	7.4%
Average Bridge Age	55 years
Poor-Condition Traffic Exposure	9,024 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeE0080 over Creek — 1,000 vehicles/day Oldest Listed BridgeS.h. 125 over Creek — built in 1918 All County BridgesBrowse every bridge record in Ottawa County.

Top Bridges to Watch in Ottawa County

Bridge	Reason	Condition	Daily Traffic	Year Built
E0080 over Creek	Poor condition + traffic exposure	Poor	1,000	1950
IRR 5806c over Creek	Poor condition + traffic exposure	Poor	400	1939
IRR E0165 over Sycamore Creek	Poor condition + traffic exposure	Poor	400	1975
IRR E0140 over Creek	Poor condition + traffic exposure	Poor	200	1940
IRR E0120 over Creek	Poor condition + traffic exposure	Poor	100	1919
E0170 over Creek	Poor condition + traffic exposure	Poor	100	1920
IRR E0094 over Creek	Poor condition + traffic exposure	Poor	100	1938
N4530 over Creek	Poor condition + traffic exposure	Poor	100	1938
IRR N4570 over Creek	Poor condition + traffic exposure	Poor	100	1939
N4520 over Creek	Poor condition + traffic exposure	Poor	100	1939

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.