US Bridges

I-40 W-N Ramp over I-40 /I-44/RMPS S-W/ N-E

Fair

Oklahoma County, Oklahoma · 5.2 MI E C/L · Structure no. 191100000000000

Built
1975
50 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,131 ft
11 main spans
Daily traffic
47,500
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 W-N Ramp over I-40 /I-44/RMPS S-W/ N-E is a steel continuous stringer/multi-beam or girder carrying I-40 W-N Ramp over I-40 /I-44/RMPS S-W/ N-E in Oklahoma County, Oklahoma. It was built in 1975, so it is 50 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 47,500 vehicles a day, roughly 12% of them trucks, projected to reach 76,000 by 2042. The structure is 1,131 ft (344.7 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-40 W-N Ramp
CrossesI-40 /I-44/RMPS S-W/ N-E
Location5.2 MI E C/L
RouteInterstate 40
CountyOklahoma County
StateOklahoma
Coordinates35.46013, -97.57837
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans11 (+1 approach)
Design loadHS 20
Structure length1,131 ft (344.7 m)
Longest span139 ft (42.4 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,500 (2022)
Projected traffic76,000 by 2042
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo
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$10.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-40 W-N Ramp over I-40 /I-44/RMPS S-W/ N-E built?

It was built in 1975, making it 50 years old in 2025.

What condition is I-40 W-N Ramp over I-40 /I-44/RMPS S-W/ N-E 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 I-40 W-N Ramp over I-40 /I-44/RMPS S-W/ N-E carry?

About 47,500 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-40 W-N Ramp over I-40 /I-44/RMPS S-W/ N-E?

The structure is 1,131 ft (344.7 m) long with a longest span of 139 ft (42.4 m) and a deck 29 ft wide.

Who owns I-40 W-N Ramp over I-40 /I-44/RMPS S-W/ N-E?

It is owned by the State Highway Agency.