US Bridges

S.H. 10 over California Creek

Fair

Nowata County, Oklahoma · 6.2 MI W of US 169 · Structure no. 154280000000000

Built
1962
63 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
920
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 10 over California Creek is a concrete culvert carrying S.H. 10 over California Creek in Nowata County, Oklahoma. It was built in 1962, so it is 63 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 920 vehicles a day, roughly 15% of them trucks, projected to reach 1,472 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesS.H. 10
CrossesCalifornia Creek
Location6.2 MI W of US 169
RouteState Highway 10
CountyNowata County
StateOklahoma
Coordinates36.91662, -95.74109
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic920 (2022)
Projected traffic1,472 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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 10 over California Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is S.H. 10 over California Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does S.H. 10 over California Creek carry?

About 920 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 10 over California Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns S.H. 10 over California Creek?

It is owned by the State Highway Agency.