US Bridges

U.S. 75 NB over Bird Creek Oflow

Fair

Tulsa County, Oklahoma · 0.4 MI N 56 ST · Structure no. 181350000000000

Built
1971
54 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
400 ft
8 main spans
Daily traffic
16,400
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 75 NB over Bird Creek Oflow is a prestressed concrete stringer/multi-beam or girder carrying U.S. 75 NB over Bird Creek Oflow in Tulsa County, Oklahoma. It was built in 1971, so it is 54 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 5 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 16,400 vehicles a day, roughly 8% of them trucks, projected to reach 26,240 by 2042. The structure is 400 ft (121.9 m) long and 56 ft wide.

Location

Open in Google Maps
CarriesU.S. 75 NB
CrossesBird Creek Oflow
Location0.4 MI N 56 ST
RouteU.S. Route 75
CountyTulsa County
StateOklahoma
Coordinates36.24047, -95.94311
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length400 ft (121.9 m)
Longest span50 ft (15.2 m)
Deck width56 ft (17.2 m)
Roadway width55 ft (16.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,400 (2022)
Projected traffic26,240 by 2042
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
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$6.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 75 NB over Bird Creek Oflow built?

It was built in 1971, making it 54 years old in 2025.

What condition is U.S. 75 NB over Bird Creek Oflow 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 NB over Bird Creek Oflow carry?

About 16,400 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is U.S. 75 NB over Bird Creek Oflow?

The structure is 400 ft (121.9 m) long with a longest span of 50 ft (15.2 m) and a deck 56 ft wide.

Who owns U.S. 75 NB over Bird Creek Oflow?

It is owned by the State Highway Agency.