US Bridges

FAU 8421 (mingo RD over Little Haikey Creek

Fair

Tulsa County, Oklahoma · 9200 S. Mingo Rd. · Structure no. 199510000000000

Built
1981
44 years old, rebuilt 2002
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
79 ft
1 main span
Daily traffic
2,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 8421 (mingo RD over Little Haikey Creek is a prestressed concrete stringer/multi-beam or girder carrying FAU 8421 (mingo RD over Little Haikey Creek in Tulsa County, Oklahoma. It was built in 1981 and reconstructed in 2002, so it is 44 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 2,000 vehicles a day, roughly 5% of them trucks, projected to reach 3,200 by 2042. The structure is 79 ft (24.1 m) long and 81 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesFAU 8421 (mingo RD
CrossesLittle Haikey Creek
Location9200 S. Mingo Rd.
RouteCity Street 8421
CountyTulsa County
StateOklahoma
Coordinates36.02991, -95.86854
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 protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span79 ft (24.1 m)
Deck width81 ft (24.7 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic3,200 by 2042
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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$445,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 8421 (mingo RD over Little Haikey Creek built?

It was built in 1981, making it 44 years old in 2025. It was reconstructed in 2002.

What condition is FAU 8421 (mingo RD over Little Haikey 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 March 2023.

How much traffic does FAU 8421 (mingo RD over Little Haikey Creek carry?

About 2,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is FAU 8421 (mingo RD over Little Haikey Creek?

The structure is 79 ft (24.1 m) long with a longest span of 79 ft (24.1 m) and a deck 81 ft wide.

Who owns FAU 8421 (mingo RD over Little Haikey Creek?

It is owned by the City or Municipal Highway Agency.