US Bridges

State Route 36 over Palmer Gulch

Good

Tehama County, California · 02-TEH-036-53.25 · Structure no. 08 0052

Built
1961
64 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
2,025
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 36 over Palmer Gulch is a concrete slab carrying State Route 36 over Palmer Gulch in Tehama County, California. It was built in 1961, so it is 64 years old, older than the California average of 54.8 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 2,025 vehicles a day, projected to reach 2,506 by 2044. The structure is 32 ft (9.8 m) long and 43 ft wide. If it were closed, the detour would be 65.2 mi (105 km).

CarriesState Route 36
CrossesPalmer Gulch
Location02-TEH-036-53.25
RouteState Highway 36
Coordinates40.30094, -122.10282
Functional classRural Minor Arterial

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.7 US tons
Inventory rating55 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,025 (2015)
Projected traffic2,506 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed65.2 mi (105 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 State Route 36 over Palmer Gulch built?

It was built in 1961, making it 64 years old in 2025.

What condition is State Route 36 over Palmer Gulch 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 September 2024.

How much traffic does State Route 36 over Palmer Gulch carry?

About 2,025 vehicles per day (2015 count).

How long is State Route 36 over Palmer Gulch?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 43 ft wide.

Who owns State Route 36 over Palmer Gulch?

It is owned by the State Highway Agency.