US Bridges

U.S. 77 NB over 122nd St. under

Good

Oklahoma County, Oklahoma · 4.6 MI N I-44 · Structure no. 182640000000000

Built
1972
53 years old, rebuilt 2000
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
29,700
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 77 NB over 122nd St. under is a prestressed concrete stringer/multi-beam or girder carrying U.S. 77 NB over 122nd St. under in Oklahoma County, Oklahoma. It was built in 1972 and reconstructed in 2000, 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 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 29,700 vehicles a day, roughly 8% of them trucks, projected to reach 47,520 by 2042. The structure is 101 ft (30.8 m) long and 74 ft wide.

Location

Open in Google Maps
CarriesU.S. 77 NB
Crosses122nd St. under
Location4.6 MI N I-44
RouteU.S. Route 77
CountyOklahoma County
StateOklahoma
Coordinates35.59443, -97.50738
Functional classUrban Other Principal 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span101 ft (30.8 m)
Deck width74 ft (22.7 m)
Roadway width71 ft (21.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,700 (2022)
Projected traffic47,520 by 2042
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$4.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. 77 NB over 122nd St. under built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2000.

What condition is U.S. 77 NB over 122nd St. 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 March 2023.

How much traffic does U.S. 77 NB over 122nd St. under carry?

About 29,700 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is U.S. 77 NB over 122nd St. under?

The structure is 101 ft (30.8 m) long with a longest span of 101 ft (30.8 m) and a deck 74 ft wide.

Who owns U.S. 77 NB over 122nd St. under?

It is owned by the State Highway Agency.