Delaware County Bridge Report Card

Delaware County scores 59 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F59 / 100

Local infrastructure snapshot

Delaware County, Oklahoma

Delaware County has 161 bridges in the National Bridge Inventory, with 27 rated poor and 4 rated scour-critical. Its poor-condition share of 16.8% is above the 7.5% statewide average. Poor-condition bridges carry about 5,372 daily vehicle crossings.

161Total Bridges

27Poor (16.8%)

76Fair (47.2%)

4Scour-Critical

Quote-Ready Local Facts

16.8%of county bridges are in poor condition, compared with 7.5% statewide and 6.7% nationally.

5,372daily vehicle crossings are on poor-condition bridges in the county.

4bridges are rated scour-critical, or 2.5% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Delaware County a Bridge Condition Exposure Score of 59/100 (F). The county has 161 bridges in the National Bridge Inventory, including 27 in poor condition and 4 rated scour-critical. Poor-condition bridges carry about 5,372 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	16.8%	33.5
Poor-condition traffic exposure	25	2.1% of measured traffic	1.6
Scour-critical bridge share	20	2.5%	5.0
Average age vs national baseline	10	51 years vs 48 nationally	1.2
Traffic-data completeness	5	256,887 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	16.8%
State Poor-Condition Share	7.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	2.5%
Average Bridge Age	51 years
Poor-Condition Traffic Exposure	5,372 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeE0250 over Grand Lake-hickory Creek — 1,664 vehicles/day Oldest Listed BridgeN4705 over Cave Springs Trib. — built in 1914 All County BridgesBrowse every bridge record in Delaware County.

Top Bridges to Watch in Delaware County

Bridge	Reason	Condition	Daily Traffic	Year Built
E0310 over Duck Creek	Poor condition + traffic exposure	Poor	200	1939
D4610 over Creek	Poor condition + traffic exposure	Poor	100	1939
2132c over Creek	Poor condition + traffic exposure	Poor	100	1955
N4610 over Creek	Poor condition + traffic exposure	Poor	24	1952
E0250 over Grand Lake-hickory Creek	Poor condition + traffic exposure	Poor	1,664	1940
IRR E0340 (2116c) over Creek	Poor condition + traffic exposure	Poor	450	1930
IRR E0330 (2116c) over Whitewater Creek	Poor condition + traffic exposure	Poor	450	2018
N4585 Kenwood over Dry Creek	Poor condition + traffic exposure	Poor	384	2015
N4605 over Spring Creek	Poor condition + traffic exposure	Poor	250	1925
N4608 over Brush Creek	Poor condition + traffic exposure	Poor	150	1998

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.