US Bridges

S.H. 51 EB over E 51st St. under

Fair

Tulsa County, Oklahoma · 1.3 MI E US-169 · Structure no. 253590000000000

Built
1999
26 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
382 ft
4 main spans
Daily traffic
44,550
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 51 EB over E 51st St. under is a steel continuous stringer/multi-beam or girder carrying S.H. 51 EB over E 51st St. under in Tulsa County, Oklahoma. It was built in 1999, so it is 26 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 44,550 vehicles a day, roughly 8% of them trucks, projected to reach 71,280 by 2042. The structure is 382 ft (116.4 m) long and 73 ft wide.

CarriesS.H. 51 EB
CrossesE 51st St. under
Location1.3 MI E US-169
RouteState Highway 51
Coordinates36.09012, -95.83784
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.2 US tons
Inventory rating45.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length382 ft (116.4 m)
Longest span113 ft (34.4 m)
Deck width73 ft (22.1 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,550 (2022)
Projected traffic71,280 by 2042
Trucks8%
Lanes on structure4
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$10.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was S.H. 51 EB over E 51st St. under built?

It was built in 1999, making it 26 years old in 2025.

What condition is S.H. 51 EB over E 51st 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 August 2024.

How much traffic does S.H. 51 EB over E 51st St. under carry?

About 44,550 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is S.H. 51 EB over E 51st St. under?

The structure is 382 ft (116.4 m) long with a longest span of 113 ft (34.4 m) and a deck 73 ft wide.

Who owns S.H. 51 EB over E 51st St. under?

It is owned by the State Highway Agency.