US Bridges

FAS 7518 over W Boggy Creek

Good

Washita County, Oklahoma · 4.4 MI E Burns Flat · Structure no. 215090000000000

Built
1987
38 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
300
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 7518 over W Boggy Creek is a concrete culvert carrying FAS 7518 over W Boggy Creek in Washita County, Oklahoma. It was built in 1987, so it is 38 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 15% of them trucks, projected to reach 480 by 2042. The structure is 46 ft (14 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFAS 7518
CrossesW Boggy Creek
Location4.4 MI E Burns Flat
RouteCounty Highway 7518
Coordinates35.34927, -99.09267
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length46 ft (14 m)
Longest span15 ft (4.7 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic480 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 FAS 7518 over W Boggy Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is FAS 7518 over W Boggy Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does FAS 7518 over W Boggy Creek carry?

About 300 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is FAS 7518 over W Boggy Creek?

The structure is 46 ft (14 m) long with a longest span of 15 ft (4.7 m) and a deck 35 ft wide.

Who owns FAS 7518 over W Boggy Creek?

It is owned by the County Highway Agency.