US Bridges

I-240 WB over Westminister Rd. under

Fair

Oklahoma County, Oklahoma · 9.1 MI E of JCT I35 · Structure no. 182710000000000

Built
1972
53 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
131 ft
3 main spans
Daily traffic
9,750
2022 count
Owner
State
State Highway Agency

About this bridge

I-240 WB over Westminister Rd. under is a steel stringer/multi-beam or girder carrying I-240 WB over Westminister Rd. under in Oklahoma County, Oklahoma. It was built in 1972, so it is 53 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 5 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 9,750 vehicles a day, roughly 12% of them trucks, projected to reach 15,600 by 2042. The structure is 131 ft (39.9 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesI-240 WB
CrossesWestminister Rd. under
Location9.1 MI E of JCT I35
RouteInterstate 240
CountyOklahoma County
StateOklahoma
Coordinates35.39349, -97.33573
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
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 alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length131 ft (39.9 m)
Longest span65 ft (19.8 m)
Deck width40 ft (12.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,750 (2022)
Projected traffic15,600 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-240 WB over Westminister Rd. under built?

It was built in 1972, making it 53 years old in 2025.

What condition is I-240 WB over Westminister Rd. 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 January 2023.

How much traffic does I-240 WB over Westminister Rd. under carry?

About 9,750 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-240 WB over Westminister Rd. under?

The structure is 131 ft (39.9 m) long with a longest span of 65 ft (19.8 m) and a deck 40 ft wide.

Who owns I-240 WB over Westminister Rd. under?

It is owned by the State Highway Agency.