US Bridges

Main Street over Salt Creek

Fair

Shasta County, California · 0.1 MI E Grand River Ave · Structure no. 06C0266

Built
1950
75 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
500
1998 count
Owner
County
County Highway Agency

About this bridge

Main Street over Salt Creek is a concrete continuous culvert carrying Main Street over Salt Creek in Shasta County, California. It was built in 1950, so it is 75 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 800 by 2042. The structure is 22 ft (6.7 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMain Street
CrossesSalt Creek
Location0.1 MI E Grand River Ave
RouteCounty Highway 0
Coordinates40.68199, -122.36077
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3.1 m)
Deck width42 ft (12.7 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (1998)
Projected traffic800 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Main Street over Salt Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Main Street over Salt 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 2023.

How much traffic does Main Street over Salt Creek carry?

About 500 vehicles per day (1998 count), of which roughly 5% are trucks.

How long is Main Street over Salt Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3.1 m) and a deck 42 ft wide.

Who owns Main Street over Salt Creek?

It is owned by the County Highway Agency.