US Bridges

FAU 8401 (memorial over Coal Creek

Fair

Tulsa County, Oklahoma · 4800 N Memorial · Structure no. 023890000000000

Built
1930
95 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
24
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 8401 (memorial over Coal Creek is a concrete continuous slab carrying FAU 8401 (memorial over Coal Creek in Tulsa County, Oklahoma. It was built in 1930, so it is 95 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 5 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 24 vehicles a day, roughly 5% of them trucks, projected to reach 38 by 2042. The structure is 26 ft (7.9 m) long and 27 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesFAU 8401 (memorial
CrossesCoal Creek
Location4800 N Memorial
RouteCity Street 8401
CountyTulsa County
StateOklahoma
Coordinates36.22375, -95.88675
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span10 ft (3 m)
Deck width27 ft (8.1 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic38 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$246,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 8401 (memorial over Coal Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is FAU 8401 (memorial 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 November 2024.

How much traffic does FAU 8401 (memorial over Coal Creek carry?

About 24 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is FAU 8401 (memorial over Coal Creek?

The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns FAU 8401 (memorial over Coal Creek?

It is owned by the City or Municipal Highway Agency.