US Bridges

Luther Rd. over I-40 under

Good

Oklahoma County, Oklahoma · 5.3 E JCT I-240 · Structure no. 320650000000000

Built
2020
5 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
378 ft
4 main spans
Daily traffic
400
2022 count
Owner
State
State Highway Agency

About this bridge

Luther Rd. over I-40 under is a steel stringer/multi-beam or girder carrying Luther Rd. over I-40 under in Oklahoma County, Oklahoma. It was built in 2020, so it is 5 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 400 vehicles a day, roughly 3% of them trucks, projected to reach 660 by 2042. The structure is 378 ft (115.3 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLuther Rd.
CrossesI-40 under
Location5.3 E JCT I-240
RouteCity Street N3260
Coordinates35.38389, -97.195
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.9 US tons
Inventory rating31.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length378 ft (115.3 m)
Longest span100 ft (30.5 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic660 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Luther Rd. over I-40 under built?

It was built in 2020, making it 5 years old in 2025.

What condition is Luther Rd. over I-40 under 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 May 2024.

How much traffic does Luther Rd. over I-40 under carry?

About 400 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Luther Rd. over I-40 under?

The structure is 378 ft (115.3 m) long with a longest span of 100 ft (30.5 m) and a deck 34 ft wide.

Who owns Luther Rd. over I-40 under?

It is owned by the State Highway Agency.