US Bridges

FAU 8420 (36 ST N) over Mingo Creek

Fair

Tulsa County, Oklahoma · 10500 E. 36th St. N. · Structure no. 223940000000000

Built
1989
36 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
252 ft
3 main spans
Daily traffic
5,098
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 8420 (36 ST N) over Mingo Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying FAU 8420 (36 ST N) over Mingo Creek in Tulsa County, Oklahoma. It was built in 1989, so it is 36 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 5,098 vehicles a day, roughly 5% of them trucks, projected to reach 8,157 by 2042. The structure is 252 ft (76.7 m) long and 83 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAU 8420 (36 ST N)
CrossesMingo Creek
Location10500 E. 36th St. N.
RouteCity Street 8420
Coordinates36.20594, -95.85784
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length252 ft (76.7 m)
Longest span84 ft (25.6 m)
Deck width83 ft (25.3 m)
Roadway width71 ft (21.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,098 (2022)
Projected traffic8,157 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 8420 (36 ST N) over Mingo Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is FAU 8420 (36 ST N) 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 August 2024.

How much traffic does FAU 8420 (36 ST N) over Mingo Creek carry?

About 5,098 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is FAU 8420 (36 ST N) over Mingo Creek?

The structure is 252 ft (76.7 m) long with a longest span of 84 ft (25.6 m) and a deck 83 ft wide.

Who owns FAU 8420 (36 ST N) over Mingo Creek?

It is owned by the City or Municipal Highway Agency.