US Bridges

I-40 B over Elk Creek

Good

Beckham County, Oklahoma · .15 E JCT S.H. 6 · Structure no. 316620000000000

Built
2021
4 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
3 main spans
Daily traffic
14,100
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 B over Elk Creek is a steel stringer/multi-beam or girder carrying I-40 B over Elk Creek in Beckham County, Oklahoma. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,100 vehicles a day, roughly 5% of them trucks, projected to reach 21,200 by 2042. The structure is 120 ft (36.6 m) long and 66 ft wide.

CarriesI-40 B
CrossesElk Creek
Location.15 E JCT S.H. 6
RouteState Highway 40B
Coordinates35.41139, -99.40222
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating44.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length120 ft (36.6 m)
Longest span50 ft (15.2 m)
Deck width66 ft (20.1 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,100 (2022)
Projected traffic21,200 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-40 B over Elk Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is I-40 B over Elk 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 March 2023.

How much traffic does I-40 B over Elk Creek carry?

About 14,100 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is I-40 B over Elk Creek?

The structure is 120 ft (36.6 m) long with a longest span of 50 ft (15.2 m) and a deck 66 ft wide.

Who owns I-40 B over Elk Creek?

It is owned by the State Highway Agency.