US Bridges

N4680 over Creek

Poor

Le Flore County, Oklahoma · 6W .3N of Cowlington · Structure no. 061020000000000

Built
1938
87 years old
Condition
Poor
inspected January 2023
Type
Slab
Concrete Continuous
Length
36 ft
3 main spans
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

N4680 over Creek is a concrete continuous slab carrying N4680 over Creek in Le Flore County, Oklahoma. It was built in 1938, so it is 87 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 24 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2042. The structure is 36 ft (11 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN4680
CrossesCreek
Location6W .3N of Cowlington
RouteCounty Highway N4680
Coordinates35.31288, -94.69074
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length36 ft (11 m)
Longest span10 ft (3 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic38 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$294,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4680 over Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is N4680 over Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2023.

How much traffic does N4680 over Creek carry?

About 24 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4680 over Creek?

The structure is 36 ft (11 m) long with a longest span of 10 ft (3 m) and a deck 22 ft wide.

Who owns N4680 over Creek?

It is owned by the County Highway Agency.