US Bridges

S.H. 6 over Unnamed Creek

Good

Jackson County, Oklahoma · 2.6 NE JCT S.H. 34 · Structure no. 318020000000000

Built
2020
5 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
48 ft
3 main spans
Daily traffic
1,100
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 6 over Unnamed Creek is a concrete culvert carrying S.H. 6 over Unnamed Creek in Jackson County, Oklahoma. It was built in 2020, so it is 5 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 1,100 vehicles a day, roughly 30% of them trucks, projected to reach 1,550 by 2042. The structure is 48 ft (14.6 m) long and 58 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesS.H. 6
CrossesUnnamed Creek
Location2.6 NE JCT S.H. 34
RouteState Highway 6
Coordinates34.52722, -99.52056
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating51.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length48 ft (14.6 m)
Longest span16 ft (4.9 m)
Deck width58 ft (17.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,550 by 2042
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 6 over Unnamed Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is S.H. 6 over Unnamed 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 November 2023.

How much traffic does S.H. 6 over Unnamed Creek carry?

About 1,100 vehicles per day (2022 count), of which roughly 30% are trucks.

How long is S.H. 6 over Unnamed Creek?

The structure is 48 ft (14.6 m) long with a longest span of 16 ft (4.9 m) and a deck 58 ft wide.

Who owns S.H. 6 over Unnamed Creek?

It is owned by the State Highway Agency.