US Bridges

U.S. 169 over 31st St. under

Fair

Tulsa County, Oklahoma · 2.0 MI N 51 St. · Structure no. 192350000000000

Built
1976
49 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
170 ft
2 main spans
Daily traffic
103,800
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 169 over 31st St. under is a prestressed concrete stringer/multi-beam or girder carrying U.S. 169 over 31st St. under in Tulsa County, Oklahoma. It was built in 1976, so it is 49 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 103,800 vehicles a day, roughly 8% of them trucks, projected to reach 166,080 by 2042. The structure is 170 ft (51.8 m) long and 133 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesU.S. 169
Crosses31st St. under
Location2.0 MI N 51 St.
RouteU.S. Route 169
CountyTulsa County
StateOklahoma
Coordinates36.11874, -95.85952
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span85 ft (25.9 m)
Deck width133 ft (40.5 m)
Roadway width130 ft (39.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic103,800 (2022)
Projected traffic166,080 by 2042
Trucks8%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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$4.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. 169 over 31st St. under built?

It was built in 1976, making it 49 years old in 2025.

What condition is U.S. 169 over 31st 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 September 2024.

How much traffic does U.S. 169 over 31st St. under carry?

About 103,800 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is U.S. 169 over 31st St. under?

The structure is 170 ft (51.8 m) long with a longest span of 85 ft (25.9 m) and a deck 133 ft wide.

Who owns U.S. 169 over 31st St. under?

It is owned by the State Highway Agency.