US Bridges

6510C over Quarter Master Creek

Good

Roger Mills County, Oklahoma · 7.0 S 2.1 E of Angora · Structure no. 218600000000000

Built
1988
37 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
43 ft
1 main span
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

6510C over Quarter Master Creek is a concrete stringer/multi-beam or girder carrying 6510C over Quarter Master Creek in Roger Mills County, Oklahoma. It was built in 1988, so it is 37 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 25 vehicles a day, roughly 15% of them trucks, projected to reach 40 by 2042. The structure is 43 ft (13.1 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries6510C
CrossesQuarter Master Creek
Location7.0 S 2.1 E of Angora
RouteCounty Highway 6510C
Coordinates35.74022, -99.4118
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 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

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span42 ft (12.8 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic40 by 2042
Trucks15%
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

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$323,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 6510C over Quarter Master Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is 6510C over Quarter Master 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 6510C over Quarter Master Creek carry?

About 25 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 6510C over Quarter Master Creek?

The structure is 43 ft (13.1 m) long with a longest span of 42 ft (12.8 m) and a deck 25 ft wide.

Who owns 6510C over Quarter Master Creek?

It is owned by the County Highway Agency.