US Bridges

N.W. 23rd St. over I-44 under

Good

Oklahoma County, Oklahoma · 2.3 MI N I-40 · Structure no. 185660000000000

Built
1973
52 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
200 ft
2 main spans
Daily traffic
5,000
2022 count
Owner
State
State Highway Agency

About this bridge

N.W. 23rd St. over I-44 under is a steel continuous stringer/multi-beam or girder carrying N.W. 23rd St. over I-44 under in Oklahoma County, Oklahoma. It was built in 1973, so it is 52 years old, older 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 5,000 vehicles a day, roughly 5% of them trucks, projected to reach 8,000 by 2042. The structure is 200 ft (61 m) long and 88 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesN.W. 23rd St.
CrossesI-44 under
Location2.3 MI N I-40
RouteCity Street 9520
CountyOklahoma County
StateOklahoma
Coordinates35.49317, -97.57858
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.3 US tons
Inventory rating37.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length200 ft (61 m)
Longest span102 ft (31.1 m)
Deck width88 ft (26.7 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2022)
Projected traffic8,000 by 2042
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$6.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was N.W. 23rd St. over I-44 under built?

It was built in 1973, making it 52 years old in 2025.

What condition is N.W. 23rd St. over I-44 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 N.W. 23rd St. over I-44 under carry?

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

How long is N.W. 23rd St. over I-44 under?

The structure is 200 ft (61 m) long with a longest span of 102 ft (31.1 m) and a deck 88 ft wide.

Who owns N.W. 23rd St. over I-44 under?

It is owned by the State Highway Agency.