US Bridges

FAU 8420 (36 ST N) over Coal Creek

Fair

Tulsa County, Oklahoma · 5700 E 36th St. N. · Structure no. 121130000000000

Built
1939
86 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
5,606
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 8420 (36 ST N) over Coal Creek is a concrete culvert carrying FAU 8420 (36 ST N) over Coal Creek in Tulsa County, Oklahoma. It was built in 1939, so it is 86 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 5,606 vehicles a day, roughly 5% of them trucks, projected to reach 8,970 by 2042. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesFAU 8420 (36 ST N)
CrossesCoal Creek
Location5700 E 36th St. N.
RouteCity Street 8420
CountyTulsa County
StateOklahoma
Coordinates36.20601, -95.91353
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 spans4
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,606 (2022)
Projected traffic8,970 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1939, making it 86 years old in 2025.

What condition is FAU 8420 (36 ST N) over Coal 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 Coal Creek carry?

About 5,606 vehicles per day (2022 count), of which roughly 5% are trucks.

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

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).

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

It is owned by the City or Municipal Highway Agency.