US Bridges

FAU 8421 (mingo) over Brookhollow Creek

Fair

Tulsa County, Oklahoma · 3000 S Mingo Road · Structure no. 156780000000000

Built
1963
62 years old, rebuilt 1982
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
48 ft
3 main spans
Daily traffic
9,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 8421 (mingo) over Brookhollow Creek is a concrete culvert carrying FAU 8421 (mingo) over Brookhollow Creek in Tulsa County, Oklahoma. It was built in 1963 and reconstructed in 1982, so it is 62 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 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 9,000 vehicles a day, roughly 5% of them trucks, projected to reach 14,400 by 2042. The structure is 48 ft (14.6 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesFAU 8421 (mingo)
CrossesBrookhollow Creek
Location3000 S Mingo Road
RouteCity Street 8421
CountyTulsa County
StateOklahoma
Coordinates36.12003, -95.86885
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,000 (2022)
Projected traffic14,400 by 2042
Trucks5%
Lanes on structure4
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 8421 (mingo) over Brookhollow Creek built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1982.

What condition is FAU 8421 (mingo) over Brookhollow 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) over Brookhollow Creek carry?

About 9,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is FAU 8421 (mingo) over Brookhollow Creek?

The structure is 48 ft (14.6 m) long with a longest span of 17 ft (5.2 m).

Who owns FAU 8421 (mingo) over Brookhollow Creek?

It is owned by the City or Municipal Highway Agency.