US Bridges

S.H. 51 over S. 145th E. Ave. under

Fair

Tulsa County, Oklahoma · 2.8 MI E US-169 · Structure no. 271470000000000

Built
1997
28 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
258 ft
4 main spans
Daily traffic
79,500
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 51 over S. 145th E. Ave. under is a prestressed concrete stringer/multi-beam or girder carrying S.H. 51 over S. 145th E. Ave. under in Tulsa County, Oklahoma. It was built in 1997, so it is 28 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 79,500 vehicles a day, roughly 8% of them trucks, projected to reach 127,200 by 2042. The structure is 258 ft (78.6 m) long and 140 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS.H. 51
CrossesS. 145th E. Ave. under
Location2.8 MI E US-169
RouteState Highway 51
Coordinates36.07924, -95.81565
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.2 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length258 ft (78.6 m)
Longest span72 ft (21.9 m)
Deck width140 ft (42.7 m)
Roadway width136 ft (41.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79,500 (2022)
Projected traffic127,200 by 2042
Trucks8%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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$7.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was S.H. 51 over S. 145th E. Ave. under built?

It was built in 1997, making it 28 years old in 2025.

What condition is S.H. 51 over S. 145th E. Ave. 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 August 2024.

How much traffic does S.H. 51 over S. 145th E. Ave. under carry?

About 79,500 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is S.H. 51 over S. 145th E. Ave. under?

The structure is 258 ft (78.6 m) long with a longest span of 72 ft (21.9 m) and a deck 140 ft wide.

Who owns S.H. 51 over S. 145th E. Ave. under?

It is owned by the State Highway Agency.