US Bridges

U.S.64/S.H.51 E.B. over Harvard Ave under

Good

Tulsa County, Oklahoma · 0.7 MI SE 21 ST · Structure no. 165670000000000

Built
1965
60 years old, rebuilt 1988
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
177 ft
4 main spans
Daily traffic
42,850
2022 count
Owner
State
State Highway Agency

About this bridge

U.S.64/S.H.51 E.B. over Harvard Ave under is a steel stringer/multi-beam or girder carrying U.S.64/S.H.51 E.B. over Harvard Ave under in Tulsa County, Oklahoma. It was built in 1965 and reconstructed in 1988, so it is 60 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 42,850 vehicles a day, roughly 8% of them trucks, projected to reach 68,560 by 2042. The structure is 177 ft (53.9 m) long and 50 ft wide.

Location

Open in Google Maps
CarriesU.S.64/S.H.51 E.B.
CrossesHarvard Ave under
Location0.7 MI SE 21 ST
RouteU.S. Route 64
CountyTulsa County
StateOklahoma
Coordinates36.12594, -95.94057
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.1 US tons
Inventory rating48.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length177 ft (53.9 m)
Longest span54 ft (16.5 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,850 (2022)
Projected traffic68,560 by 2042
Trucks8%
Lanes on structure3
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$3.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S.64/S.H.51 E.B. over Harvard Ave under built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1988.

What condition is U.S.64/S.H.51 E.B. over Harvard Ave 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 U.S.64/S.H.51 E.B. over Harvard Ave under carry?

About 42,850 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is U.S.64/S.H.51 E.B. over Harvard Ave under?

The structure is 177 ft (53.9 m) long with a longest span of 54 ft (16.5 m) and a deck 50 ft wide.

Who owns U.S.64/S.H.51 E.B. over Harvard Ave under?

It is owned by the State Highway Agency.