US Bridges

SE 51st St. over I-35 under

Good

Oklahoma County, Oklahoma · 1.5 MI N JCT I-240 · Structure no. 265300000000000

Built
1998
27 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
168 ft
2 main spans
Daily traffic
1,000
2022 count
Owner
State
State Highway Agency

About this bridge

SE 51st St. over I-35 under is a prestressed concrete stringer/multi-beam or girder carrying SE 51st St. over I-35 under in Oklahoma County, Oklahoma. It was built in 1998, so it is 27 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, roughly 10% of them trucks, projected to reach 1,600 by 2042. The structure is 168 ft (51.1 m) long and 73 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSE 51st St.
CrossesI-35 under
Location1.5 MI N JCT I-240
RouteCity Street 0
Coordinates35.41416, -97.49107
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length168 ft (51.1 m)
Longest span84 ft (25.6 m)
Deck width73 ft (22.1 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2022)
Projected traffic1,600 by 2042
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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$2.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SE 51st St. over I-35 under built?

It was built in 1998, making it 27 years old in 2025.

What condition is SE 51st St. over I-35 under in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does SE 51st St. over I-35 under carry?

About 1,000 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is SE 51st St. over I-35 under?

The structure is 168 ft (51.1 m) long with a longest span of 84 ft (25.6 m) and a deck 73 ft wide.

Who owns SE 51st St. over I-35 under?

It is owned by the State Highway Agency.