US Bridges

State Route 36 over Gurnsey Creek

Fair

Tehama County, California · 02-TEH-036-97.67 · Structure no. 08 0061

Built
1929
96 years old, rebuilt 1972
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
38 ft
1 main span
Daily traffic
1,100
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 36 over Gurnsey Creek is a concrete tee beam carrying State Route 36 over Gurnsey Creek in Tehama County, California. It was built in 1929 and reconstructed in 1972, so it is 96 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 1,100 vehicles a day, roughly 15% of them trucks, projected to reach 1,433 by 2046. The structure is 38 ft (11.6 m) long and 42 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesState Route 36
CrossesGurnsey Creek
Location02-TEH-036-97.67
RouteState Highway 36
Coordinates40.30763, -121.42691
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating27.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length38 ft (11.6 m)
Longest span36 ft (11 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2015)
Projected traffic1,433 by 2046
Trucks15%
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

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 Gurnsey Creek built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1972.

What condition is State Route 36 over Gurnsey 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 September 2024.

How much traffic does State Route 36 over Gurnsey Creek carry?

About 1,100 vehicles per day (2015 count), of which roughly 15% are trucks.

How long is State Route 36 over Gurnsey Creek?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11 m) and a deck 42 ft wide.

Who owns State Route 36 over Gurnsey Creek?

It is owned by the State Highway Agency.