US Bridges

N.W. 27th St. over I-44 under

Good

Oklahoma County, Oklahoma · 2.5 MI N I-40 · Structure no. 185740000000000

Built
1973
52 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
225 ft
2 main spans
Daily traffic
500
2022 count
Owner
State
State Highway Agency

About this bridge

N.W. 27th St. over I-44 under is a steel continuous stringer/multi-beam or girder carrying N.W. 27th 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 800 by 2042. The structure is 225 ft (68.6 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN.W. 27th St.
CrossesI-44 under
Location2.5 MI N I-40
RouteCity Street 0
CountyOklahoma County
StateOklahoma
Coordinates35.49688, -97.57856
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.3 US tons
Inventory rating42.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length225 ft (68.6 m)
Longest span115 ft (35.1 m)
Deck width37 ft (11.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic800 by 2042
Trucks5%
Lanes on structure2
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$2.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was N.W. 27th St. over I-44 under built?

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

What condition is N.W. 27th 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 August 2024.

How much traffic does N.W. 27th St. over I-44 under carry?

About 500 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N.W. 27th St. over I-44 under?

The structure is 225 ft (68.6 m) long with a longest span of 115 ft (35.1 m) and a deck 37 ft wide.

Who owns N.W. 27th St. over I-44 under?

It is owned by the State Highway Agency.