US Bridges

U.S. 75 SB over 81st St. under

Fair

Tulsa County, Oklahoma · 7 MI N JCT SH 67 · Structure no. 164930000000000

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
30,050
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 75 SB over 81st St. under is a concrete continuous slab carrying U.S. 75 SB over 81st St. under in Tulsa County, Oklahoma. It was built in 1965, 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 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 30,050 vehicles a day, roughly 8% of them trucks, projected to reach 48,080 by 2042. The structure is 112 ft (34.1 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesU.S. 75 SB
Crosses81st St. under
Location7 MI N JCT SH 67
RouteU.S. Route 75
CountyTulsa County
StateOklahoma
Coordinates36.04636, -96.00725
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span47 ft (14.3 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,050 (2022)
Projected traffic48,080 by 2042
Trucks8%
Lanes on structure2
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$2.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. 75 SB over 81st St. under built?

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

What condition is U.S. 75 SB over 81st St. 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 U.S. 75 SB over 81st St. under carry?

About 30,050 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is U.S. 75 SB over 81st St. under?

The structure is 112 ft (34.1 m) long with a longest span of 47 ft (14.3 m) and a deck 40 ft wide.

Who owns U.S. 75 SB over 81st St. under?

It is owned by the State Highway Agency.