US Bridges

Boulder Ave. over U.S. 64 / US 75 / SH 51

Fair

Tulsa County, Oklahoma · 1.02 MI E I-244 · Structure no. 192280000000000

Built
1976
49 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
152 ft
2 main spans
Daily traffic
5,000
2022 count
Owner
State
State Highway Agency

About this bridge

Boulder Ave. over U.S. 64 / US 75 / SH 51 is a prestressed concrete stringer/multi-beam or girder carrying Boulder Ave. over U.S. 64 / US 75 / SH 51 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 5 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 5,000 vehicles a day, roughly 5% of them trucks, projected to reach 8,000 by 2042. The structure is 152 ft (46.3 m) long and 63 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesBoulder Ave.
CrossesU.S. 64 / US 75 / SH 51
Location1.02 MI E I-244
RouteCity Street 0
CountyTulsa County
StateOklahoma
Coordinates36.14361, -95.98861
Functional classUrban Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span77 ft (23.5 m)
Deck width63 ft (19.2 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2022)
Projected traffic8,000 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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$4.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Boulder Ave. over U.S. 64 / US 75 / SH 51 built?

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

What condition is Boulder Ave. over U.S. 64 / US 75 / SH 51 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 Boulder Ave. over U.S. 64 / US 75 / SH 51 carry?

About 5,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Boulder Ave. over U.S. 64 / US 75 / SH 51?

The structure is 152 ft (46.3 m) long with a longest span of 77 ft (23.5 m) and a deck 63 ft wide.

Who owns Boulder Ave. over U.S. 64 / US 75 / SH 51?

It is owned by the State Highway Agency.