US Bridges

I-44 Ramp to E21st over Mingo Creek

Fair

Tulsa County, Oklahoma · 2 Mi. E. Jct. SH 51 · Structure no. 266560000000000

Built
2003
22 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
270 ft
3 main spans
Daily traffic
47,100
2022 count
Owner
State
State Highway Agency

About this bridge

I-44 Ramp to E21st over Mingo Creek is a prestressed concrete stringer/multi-beam or girder carrying I-44 Ramp to E21st over Mingo Creek in Tulsa County, Oklahoma. It was built in 2003, so it is 22 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 47,100 vehicles a day, roughly 12% of them trucks, projected to reach 75,360 by 2042. The structure is 270 ft (82.3 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-44 Ramp to E21st
CrossesMingo Creek
Location2 Mi. E. Jct. SH 51
RouteInterstate 44
CountyTulsa County
StateOklahoma
Coordinates36.13152, -95.87043
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.2 US tons
Inventory rating45.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length270 ft (82.3 m)
Longest span100 ft (30.5 m)
Deck width40 ft (12.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,100 (2022)
Projected traffic75,360 by 2042
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$3.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-44 Ramp to E21st over Mingo Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is I-44 Ramp to E21st over Mingo Creek 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 I-44 Ramp to E21st over Mingo Creek carry?

About 47,100 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-44 Ramp to E21st over Mingo Creek?

The structure is 270 ft (82.3 m) long with a longest span of 100 ft (30.5 m) and a deck 40 ft wide.

Who owns I-44 Ramp to E21st over Mingo Creek?

It is owned by the State Highway Agency.