US Bridges

I-40 WB over Custer St. under

Fair

Custer County, Oklahoma · 1.1 MI E JCT S.H. 54 · Structure no. 174640000000000

Built
1969
56 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
116 ft
3 main spans
Daily traffic
9,700
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 WB over Custer St. under is a concrete continuous slab carrying I-40 WB over Custer St. under in Custer County, Oklahoma. It was built in 1969, so it is 56 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 9,700 vehicles a day, roughly 12% of them trucks, projected to reach 15,520 by 2042. The structure is 116 ft (35.4 m) long and 40 ft wide.

CarriesI-40 WB
CrossesCuster St. under
Location1.1 MI E JCT S.H. 54
RouteInterstate 40
Coordinates35.52181, -98.70794
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span47 ft (14.3 m)
Deck width40 ft (12.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,700 (2022)
Projected traffic15,520 by 2042
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-40 WB over Custer St. under built?

It was built in 1969, making it 56 years old in 2025.

What condition is I-40 WB over Custer St. under in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does I-40 WB over Custer St. under carry?

About 9,700 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-40 WB over Custer St. under?

The structure is 116 ft (35.4 m) long with a longest span of 47 ft (14.3 m) and a deck 40 ft wide.

Who owns I-40 WB over Custer St. under?

It is owned by the State Highway Agency.