US Bridges

6186C over Chambers Creek

Good

Pittsburg County, Oklahoma · 3.0 MI N of Savanna · Structure no. 201460000000000

Built
1982
43 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

6186C over Chambers Creek is a concrete culvert carrying 6186C over Chambers Creek in Pittsburg County, Oklahoma. It was built in 1982, so it is 43 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 46 ft (14 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries6186C
CrossesChambers Creek
Location3.0 MI N of Savanna
RouteCounty Highway 6186C
Coordinates34.86949, -95.83213
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.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length46 ft (14 m)
Longest span14 ft (4.3 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 6186C over Chambers Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is 6186C over Chambers 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 August 2023.

How much traffic does 6186C over Chambers Creek carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 6186C over Chambers Creek?

The structure is 46 ft (14 m) long with a longest span of 14 ft (4.3 m) and a deck 32 ft wide.

Who owns 6186C over Chambers Creek?

It is owned by the County Highway Agency.