US Bridges

I-44 over 49th W. Ave. under

Fair

Tulsa County, Oklahoma · 0.5 MI E Turnpike Gate · Structure no. 194490000000000

Built
1978
47 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
98 ft
1 main span
Daily traffic
65,100
2022 count
Owner
State
State Highway Agency

About this bridge

I-44 over 49th W. Ave. under is a prestressed concrete stringer/multi-beam or girder carrying I-44 over 49th W. Ave. under in Tulsa County, Oklahoma. It was built in 1978, so it is 47 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 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 65,100 vehicles a day, roughly 12% of them trucks, projected to reach 104,160 by 2042. The structure is 98 ft (30 m) long and 115 ft wide.

Location

Open in Google Maps
CarriesI-44
Crosses49th W. Ave. under
Location0.5 MI E Turnpike Gate
RouteInterstate 44
CountyTulsa County
StateOklahoma
Coordinates36.07862, -96.04897
Functional classUrban Principal Arterial - Interstate

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.1 US tons
Inventory rating34.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length98 ft (30 m)
Longest span98 ft (29.9 m)
Deck width115 ft (35.2 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65,100 (2022)
Projected traffic104,160 by 2042
Trucks12%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-44 over 49th W. Ave. under built?

It was built in 1978, making it 47 years old in 2025.

What condition is I-44 over 49th W. 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 I-44 over 49th W. Ave. under carry?

About 65,100 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-44 over 49th W. Ave. under?

The structure is 98 ft (30 m) long with a longest span of 98 ft (29.9 m) and a deck 115 ft wide.

Who owns I-44 over 49th W. Ave. under?

It is owned by the State Highway Agency.