US Bridges

71st over U.S. 75 under

Fair

Tulsa County, Oklahoma · 8 MI N JCT 67 · Structure no. 276370000000000

Built
2005
20 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
256 ft
3 main spans
Daily traffic
5,000
2022 count
Owner
State
State Highway Agency

About this bridge

71st over U.S. 75 under is a prestressed concrete stringer/multi-beam or girder carrying 71st over U.S. 75 under in Tulsa County, Oklahoma. It was built in 2005, so it is 20 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 6 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 5,000 vehicles a day, roughly 5% of them trucks, projected to reach 8,000 by 2042. The structure is 256 ft (78 m) long and 80 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries71st
CrossesU.S. 75 under
Location8 MI N JCT 67
RouteCity Street 8301
Coordinates36.06101, -96.00637
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length256 ft (78 m)
Longest span91 ft (27.7 m)
Deck width80 ft (24.4 m)
Roadway width77 ft (23.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2022)
Projected traffic8,000 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
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$8.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was 71st over U.S. 75 under built?

It was built in 2005, making it 20 years old in 2025.

What condition is 71st over U.S. 75 under 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 October 2024.

How much traffic does 71st over U.S. 75 under carry?

About 5,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is 71st over U.S. 75 under?

The structure is 256 ft (78 m) long with a longest span of 91 ft (27.7 m) and a deck 80 ft wide.

Who owns 71st over U.S. 75 under?

It is owned by the State Highway Agency.