US Bridges

FAS 6504 over Buffalo Creek

Good

Roger Mills County, Oklahoma · 2.1 W Grimes · Structure no. 206910000000000

Built
1984
41 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
45 ft
3 main spans
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 6504 over Buffalo Creek is a concrete culvert carrying FAS 6504 over Buffalo Creek in Roger Mills County, Oklahoma. It was built in 1984, so it is 41 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 150 vehicles a day, roughly 15% of them trucks, projected to reach 240 by 2042. The structure is 45 ft (13.7 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesFAS 6504
CrossesBuffalo Creek
Location2.1 W Grimes
RouteCounty Highway 6504
CountyRoger Mills County
StateOklahoma
Coordinates35.46559, -99.7977
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to 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 length45 ft (13.7 m)
Longest span17 ft (5.2 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic240 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 6504 over Buffalo Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is FAS 6504 over Buffalo 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 April 2023.

How much traffic does FAS 6504 over Buffalo Creek carry?

About 150 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is FAS 6504 over Buffalo Creek?

The structure is 45 ft (13.7 m) long with a longest span of 17 ft (5.2 m) and a deck 30 ft wide.

Who owns FAS 6504 over Buffalo Creek?

It is owned by the County Highway Agency.