US Bridges

FAU8421(MINGO Rd.S over Fry Drainage

Fair

Tulsa County, Oklahoma · Mingo RD .2N of 131st S. · Structure no. 179740000000000

Built
1971
54 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
1,593
2024 count
Owner
County
County Highway Agency

About this bridge

FAU8421(MINGO Rd.S over Fry Drainage is a concrete culvert carrying FAU8421(MINGO Rd.S over Fry Drainage in Tulsa County, Oklahoma. It was built in 1971, so it is 54 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 1,593 vehicles a day, roughly 5% of them trucks, projected to reach 2,549 by 2044. The structure is 28 ft (8.6 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFAU8421(MINGO Rd.S
CrossesFry Drainage
LocationMingo RD .2N of 131st S.
RouteCounty Highway 8421
CountyTulsa County
StateOklahoma
Coordinates35.97733, -95.86872
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length28 ft (8.6 m)
Longest span8 ft (2.4 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,593 (2024)
Projected traffic2,549 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 FAU8421(MINGO Rd.S over Fry Drainage built?

It was built in 1971, making it 54 years old in 2025.

What condition is FAU8421(MINGO Rd.S over Fry Drainage 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 November 2023.

How much traffic does FAU8421(MINGO Rd.S over Fry Drainage carry?

About 1,593 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is FAU8421(MINGO Rd.S over Fry Drainage?

The structure is 28 ft (8.6 m) long with a longest span of 8 ft (2.4 m) and a deck 30 ft wide.

Who owns FAU8421(MINGO Rd.S over Fry Drainage?

It is owned by the County Highway Agency.