US Bridges

6166C over Creek (spillway)

Good

Pittsburg County, Oklahoma · Mcalester Lake Spillway · Structure no. 276970000000000

Built
2009
16 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
168 ft
1 main span
Daily traffic
552
2022 count
Owner
County
County Highway Agency

About this bridge

6166C over Creek (spillway) is a prestressed concrete stringer/multi-beam or girder carrying 6166C over Creek (spillway) in Pittsburg County, Oklahoma. It was built in 2009, so it is 16 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 552 vehicles a day, roughly 15% of them trucks, projected to reach 883 by 2042. The structure is 168 ft (51.1 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries6166C
CrossesCreek (spillway)
LocationMcalester Lake Spillway
RouteCounty Highway 6166C
Coordinates35.01833, -95.8025
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating84 US tons
Inventory rating54 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length168 ft (51.1 m)
Longest span55 ft (16.8 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic552 (2022)
Projected traffic883 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$990,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 6166C over Creek (spillway) built?

It was built in 2009, making it 16 years old in 2025.

What condition is 6166C over Creek (spillway) 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 6166C over Creek (spillway) carry?

About 552 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 6166C over Creek (spillway)?

The structure is 168 ft (51.1 m) long with a longest span of 55 ft (16.8 m) and a deck 29 ft wide.

Who owns 6166C over Creek (spillway)?

It is owned by the County Highway Agency.