US Bridges

U.S. 75 NB over S.W. Blvd.& R.R.Under

Fair

Tulsa County, Oklahoma · 2.2 MI N JCT I-44 · Structure no. 183420000000000

Built
1972
53 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
246 ft
3 main spans
Daily traffic
50,100
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 75 NB over S.W. Blvd.& R.R.Under is a steel continuous stringer/multi-beam or girder carrying U.S. 75 NB over S.W. Blvd.& R.R.Under in Tulsa County, Oklahoma. It was built in 1972, so it is 53 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 50,100 vehicles a day, roughly 8% of them trucks, projected to reach 80,160 by 2042. The structure is 246 ft (75 m) long and 41 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesU.S. 75 NB
CrossesS.W. Blvd.& R.R.Under
Location2.2 MI N JCT I-44
RouteU.S. Route 75
CountyTulsa County
StateOklahoma
Coordinates36.11084, -96.01158
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.2 US tons
Inventory rating36.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length246 ft (75 m)
Longest span107 ft (32.7 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,100 (2022)
Projected traffic80,160 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed3.1 mi (5 km)
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$4.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. 75 NB over S.W. Blvd.& R.R.Under built?

It was built in 1972, making it 53 years old in 2025.

What condition is U.S. 75 NB over S.W. Blvd.& R.R.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 NB over S.W. Blvd.& R.R.Under carry?

About 50,100 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is U.S. 75 NB over S.W. Blvd.& R.R.Under?

The structure is 246 ft (75 m) long with a longest span of 107 ft (32.7 m) and a deck 41 ft wide.

Who owns U.S. 75 NB over S.W. Blvd.& R.R.Under?

It is owned by the State Highway Agency.