US Bridges

Main ST over Interstate 5

Fair

Tehama County, California · 02-TEH-036-L39.92 · Structure no. 08 0098E

Built
1965
60 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
284 ft
4 main spans
Daily traffic
2,800
2015 count
Owner
State
State Highway Agency

About this bridge

Main ST over Interstate 5 is a concrete continuous box beam or girders - multiple carrying Main ST over Interstate 5 in Tehama County, California. It was built in 1965, so it is 60 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 2,800 vehicles a day, roughly 2% of them trucks, projected to reach 6,499 by 2046. The structure is 284 ft (86.7 m) long and 40 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

CarriesMain ST
CrossesInterstate 5
Location02-TEH-036-L39.92
RouteState Highway 36
Coordinates40.20299, -122.24399
Functional classUrban Other Principal 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.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length284 ft (86.7 m)
Longest span89 ft (27 m)
Deck width40 ft (12.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2015)
Projected traffic6,499 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed44.7 mi (72 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Main ST over Interstate 5 built?

It was built in 1965, making it 60 years old in 2025.

What condition is Main ST over Interstate 5 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 Main ST over Interstate 5 carry?

About 2,800 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Main ST over Interstate 5?

The structure is 284 ft (86.7 m) long with a longest span of 89 ft (27 m) and a deck 40 ft wide.

Who owns Main ST over Interstate 5?

It is owned by the State Highway Agency.