US Bridges

U.S. 75 Ramp N - E over 2nd/ 1 St. & US75 under

Fair

Tulsa County, Oklahoma · US75 & I-444 JCT · Structure no. 181320000000000

Built
1971
54 years old
Condition
Fair
inspected June 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
397 ft
4 main spans
Daily traffic
34,000
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 75 Ramp N - E over 2nd/ 1 St. & US75 under is a steel continuous girder and floorbeam system carrying U.S. 75 Ramp N - E over 2nd/ 1 St. & US75 under 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 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 34,000 vehicles a day, roughly 8% of them trucks, projected to reach 54,400 by 2042. The structure is 397 ft (120.9 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesU.S. 75 Ramp N - E
Crosses2nd/ 1 St. & US75 under
LocationUS75 & I-444 JCT
RouteU.S. Route 75
CountyTulsa County
StateOklahoma
Coordinates36.15906, -95.97913
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 rating48.7 US tons
Inventory rating35.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length397 ft (120.9 m)
Longest span107 ft (32.6 m)
Deck width22 ft (6.7 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deck20 ft (6 m)

Traffic and service

Average daily traffic34,000 (2022)
Projected traffic54,400 by 2042
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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$4.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. 75 Ramp N - E over 2nd/ 1 St. & US75 under built?

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

What condition is U.S. 75 Ramp N - E over 2nd/ 1 St. & US75 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 June 2023.

How much traffic does U.S. 75 Ramp N - E over 2nd/ 1 St. & US75 under carry?

About 34,000 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is U.S. 75 Ramp N - E over 2nd/ 1 St. & US75 under?

The structure is 397 ft (120.9 m) long with a longest span of 107 ft (32.6 m) and a deck 22 ft wide.

Who owns U.S. 75 Ramp N - E over 2nd/ 1 St. & US75 under?

It is owned by the State Highway Agency.