US Bridges

On Road Hh over Gay Creek

Fair

Tehama County, California · 0.25 MI N Glenn CO Line · Structure no. 08C0090

Built
1966
59 years old
Condition
Fair
inspected April 2021
Type
Slab
Concrete Continuous
Length
110 ft
4 main spans
Daily traffic
21
2013 count
Owner
County
County Highway Agency

About this bridge

On Road Hh over Gay Creek is a concrete continuous slab carrying On Road Hh over Gay Creek in Tehama County, California. It was built in 1966, so it is 59 years old, older than the California average of 54.8 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 21 vehicles a day, projected to reach 29 by 2043. The structure is 110 ft (33.5 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesOn Road Hh
CrossesGay Creek
Location0.25 MI N Glenn CO Line
RouteCounty Highway 0
CountyTehama County
StateCalifornia
Coordinates39.79974, -122.20073
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span27 ft (8.2 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2013)
Projected traffic29 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was On Road Hh over Gay Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is On Road Hh over Gay 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 April 2021.

How much traffic does On Road Hh over Gay Creek carry?

About 21 vehicles per day (2013 count).

How long is On Road Hh over Gay Creek?

The structure is 110 ft (33.5 m) long with a longest span of 27 ft (8.2 m) and a deck 34 ft wide.

Who owns On Road Hh over Gay Creek?

It is owned by the County Highway Agency.