US Bridges

6126C over Anderson Creek

Good

Pittsburg County, Oklahoma · 3. S 3. W of Alderson · Structure no. 063880000000000

Built
1997
28 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
300
2022 count
Owner
County
County Highway Agency

About this bridge

6126C over Anderson Creek is a prestressed concrete stringer/multi-beam or girder carrying 6126C over Anderson Creek in Pittsburg County, Oklahoma. It was built in 1997, so it is 28 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 68 ft (20.6 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries6126C
CrossesAnderson Creek
Location3. S 3. W of Alderson
RouteCounty Highway 6126C
Coordinates34.85494, -95.7527
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.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating47 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length68 ft (20.6 m)
Longest span65 ft (19.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$403,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 6126C over Anderson Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is 6126C over Anderson 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 6126C over Anderson Creek carry?

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

How long is 6126C over Anderson Creek?

The structure is 68 ft (20.6 m) long with a longest span of 65 ft (19.8 m) and a deck 28 ft wide.

Who owns 6126C over Anderson Creek?

It is owned by the County Highway Agency.