US Bridges

I-40 over Dry Creek

Good

Custer County, Oklahoma · 5.8 MI NE Washita C/L · Structure no. 140650000000000

Built
1958
67 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
47 ft
3 main spans
Daily traffic
19,000
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 over Dry Creek is a concrete culvert carrying I-40 over Dry Creek in Custer County, Oklahoma. It was built in 1958, so it is 67 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 19,000 vehicles a day, roughly 36% of them trucks, projected to reach 30,400 by 2042. The structure is 47 ft (14.3 m) long. If it were closed, the detour would be 14.3 mi (23 km).

CarriesI-40
CrossesDry Creek
Location5.8 MI NE Washita C/L
RouteInterstate 40
Coordinates35.4798, -99.04617
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating30.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,000 (2022)
Projected traffic30,400 by 2042
Trucks36%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-40 over Dry Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is I-40 over Dry Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does I-40 over Dry Creek carry?

About 19,000 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I-40 over Dry Creek?

The structure is 47 ft (14.3 m) long with a longest span of 17 ft (5.2 m).

Who owns I-40 over Dry Creek?

It is owned by the State Highway Agency.