US Bridges

FAU 4529 (6 St) over Drainage Canal

FairPosted for load

Pittsburg County, Oklahoma · 400 Ft N Comanche Ave · Structure no. 117300000000000

Built
1950
75 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
2,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 4529 (6 St) over Drainage Canal is a concrete slab carrying FAU 4529 (6 St) over Drainage Canal in Pittsburg County, Oklahoma. It was built in 1950, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 2,000 vehicles a day, roughly 5% of them trucks, projected to reach 3,200 by 2042. The structure is 32 ft (9.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAU 4529 (6 St)
CrossesDrainage Canal
Location400 Ft N Comanche Ave
RouteCity Street 4529
CountyPittsburg County
StateOklahoma
Coordinates34.92551, -95.76376
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span28 ft (8.5 m)
Deck width43 ft (13.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic3,200 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$276,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 4529 (6 St) over Drainage Canal built?

It was built in 1950, making it 75 years old in 2025.

What condition is FAU 4529 (6 St) over Drainage Canal 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 2023.

How much traffic does FAU 4529 (6 St) over Drainage Canal carry?

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

How long is FAU 4529 (6 St) over Drainage Canal?

The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m) and a deck 43 ft wide.

Who owns FAU 4529 (6 St) over Drainage Canal?

It is owned by the City or Municipal Highway Agency.