US Bridges

1126C/ N4470 over Double Spring Creek

Good

Cherokee County, Oklahoma · 3.2 N 4.5 W Tahlequah · Structure no. 207220000000000

Built
1984
41 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
70
2022 count
Owner
County
County Highway Agency

About this bridge

1126C/ N4470 over Double Spring Creek is a prestressed concrete tee beam carrying 1126C/ N4470 over Double Spring Creek in Cherokee 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 70 vehicles a day, roughly 15% of them trucks, projected to reach 112 by 2042. The structure is 55 ft (16.8 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries1126C/ N4470
CrossesDouble Spring Creek
Location3.2 N 4.5 W Tahlequah
RouteCounty Highway 1126C
Coordinates35.96157, -95.04703
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating28.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length55 ft (16.8 m)
Longest span54 ft (16.5 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2022)
Projected traffic112 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$369,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 1126C/ N4470 over Double Spring Creek built?

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

What condition is 1126C/ N4470 over Double Spring 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 1126C/ N4470 over Double Spring Creek carry?

About 70 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 1126C/ N4470 over Double Spring Creek?

The structure is 55 ft (16.8 m) long with a longest span of 54 ft (16.5 m) and a deck 28 ft wide.

Who owns 1126C/ N4470 over Double Spring Creek?

It is owned by the County Highway Agency.