US Bridges

I-40 Bus. WB over Turtle Creek

Good

Custer County, Oklahoma · 2.0 MI E JCT US-183 · Structure no. 210760000000000

Built
1985
40 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
142 ft
3 main spans
Daily traffic
2,150
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 Bus. WB over Turtle Creek is a prestressed concrete stringer/multi-beam or girder carrying I-40 Bus. WB over Turtle Creek in Custer County, Oklahoma. It was built in 1985, so it is 40 years old, younger 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 2,150 vehicles a day, roughly 5% of them trucks, projected to reach 3,440 by 2042. The structure is 142 ft (43.3 m) long and 40 ft wide.

CarriesI-40 Bus. WB
CrossesTurtle Creek
Location2.0 MI E JCT US-183
RouteState Highway 40B
Coordinates35.51548, -98.93048
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 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
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span50 ft (15.2 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2022)
Projected traffic3,440 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$2.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-40 Bus. WB over Turtle Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is I-40 Bus. WB over Turtle 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 Bus. WB over Turtle Creek carry?

About 2,150 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is I-40 Bus. WB over Turtle Creek?

The structure is 142 ft (43.3 m) long with a longest span of 50 ft (15.2 m) and a deck 40 ft wide.

Who owns I-40 Bus. WB over Turtle Creek?

It is owned by the State Highway Agency.