US Bridges

NW Expwy(old SH3A) over S.H. 74 & Grand Blvd Und

Fair

Oklahoma County, Oklahoma · 1.6 MI N I-44 · Structure no. 216960000000000

Built
1987
38 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
204 ft
2 main spans
Daily traffic
114,400
2022 count
Owner
State
State Highway Agency

About this bridge

NW Expwy(old SH3A) over S.H. 74 & Grand Blvd Und is a prestressed concrete stringer/multi-beam or girder carrying NW Expwy(old SH3A) over S.H. 74 & Grand Blvd Und in Oklahoma County, Oklahoma. It was built in 1987, so it is 38 years old, younger 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 114,400 vehicles a day, roughly 7% of them trucks, projected to reach 183,040 by 2042. The structure is 204 ft (62.1 m) long and 115 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNW Expwy(old SH3A)
CrossesS.H. 74 & Grand Blvd Und
Location1.6 MI N I-44
RouteCity Street 3A
CountyOklahoma County
StateOklahoma
Coordinates35.53178, -97.57891
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length204 ft (62.1 m)
Longest span101 ft (30.8 m)
Deck width115 ft (35.1 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic114,400 (2022)
Projected traffic183,040 by 2042
Trucks7%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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$6.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was NW Expwy(old SH3A) over S.H. 74 & Grand Blvd Und built?

It was built in 1987, making it 38 years old in 2025.

What condition is NW Expwy(old SH3A) over S.H. 74 & Grand Blvd Und 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 March 2023.

How much traffic does NW Expwy(old SH3A) over S.H. 74 & Grand Blvd Und carry?

About 114,400 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is NW Expwy(old SH3A) over S.H. 74 & Grand Blvd Und?

The structure is 204 ft (62.1 m) long with a longest span of 101 ft (30.8 m) and a deck 115 ft wide.

Who owns NW Expwy(old SH3A) over S.H. 74 & Grand Blvd Und?

It is owned by the State Highway Agency.