US Bridges

FAU 9581 Westminis over I-40 under

FairPosted for load

Oklahoma County, Oklahoma · 8.6 MI E of JCT I35 · Structure no. 155440000000000

Built
1962
63 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
172 ft
4 main spans
Daily traffic
1,000
2022 count
Owner
State
State Highway Agency

About this bridge

FAU 9581 Westminis over I-40 under is a concrete continuous slab carrying FAU 9581 Westminis over I-40 under in Oklahoma County, Oklahoma. It was built in 1962, so it is 63 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. Its operating status is: posted for load restriction.

It carries about 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 1,600 by 2042. The structure is 172 ft (52.4 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFAU 9581 Westminis
CrossesI-40 under
Location8.6 MI E of JCT I35
RouteCity Street 9581
CountyOklahoma County
StateOklahoma
Coordinates35.41981, -97.33513
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length172 ft (52.4 m)
Longest span55 ft (16.8 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2022)
Projected traffic1,600 by 2042
Trucks5%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 9581 Westminis over I-40 under built?

It was built in 1962, making it 63 years old in 2025.

What condition is FAU 9581 Westminis over I-40 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 October 2024.

How much traffic does FAU 9581 Westminis over I-40 under carry?

About 1,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is FAU 9581 Westminis over I-40 under?

The structure is 172 ft (52.4 m) long with a longest span of 55 ft (16.8 m) and a deck 29 ft wide.

Who owns FAU 9581 Westminis over I-40 under?

It is owned by the State Highway Agency.