US Bridges

U.S. 77 Ramp over Memorial Rd. under

Good

Oklahoma County, Oklahoma · 5.8 MI N I-44 & US77 JCT · Structure no. 264390000000000

Built
2009
16 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
178 ft
2 main spans
Daily traffic
10,000
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 77 Ramp over Memorial Rd. under is a prestressed concrete stringer/multi-beam or girder carrying U.S. 77 Ramp over Memorial Rd. under in Oklahoma County, Oklahoma. It was built in 2009, so it is 16 years old, younger 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 10,000 vehicles a day, roughly 10% of them trucks, projected to reach 16,000 by 2042. The structure is 178 ft (54.4 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesU.S. 77 Ramp
CrossesMemorial Rd. under
Location5.8 MI N I-44 & US77 JCT
RouteU.S. Route 77
CountyOklahoma County
StateOklahoma
Coordinates35.60895, -97.49761
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 inspectionAugust 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 rating99.9 US tons
Inventory rating52.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length178 ft (54.4 m)
Longest span89 ft (27.1 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2022)
Projected traffic16,000 by 2042
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$2.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. 77 Ramp over Memorial Rd. under built?

It was built in 2009, making it 16 years old in 2025.

What condition is U.S. 77 Ramp over Memorial Rd. 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 2023.

How much traffic does U.S. 77 Ramp over Memorial Rd. under carry?

About 10,000 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is U.S. 77 Ramp over Memorial Rd. under?

The structure is 178 ft (54.4 m) long with a longest span of 89 ft (27.1 m) and a deck 41 ft wide.

Who owns U.S. 77 Ramp over Memorial Rd. under?

It is owned by the State Highway Agency.