US Bridges

Hoag Road over Tehama-Colusa Canal

Good

Tehama County, California · 3.4 MI E/O I-5 · Structure no. 08C0156

Built
1968
57 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete
Length
84 ft
2 main spans
Daily traffic
3,140
2021 count
Owner
County
County Highway Agency

About this bridge

Hoag Road over Tehama-Colusa Canal is a concrete slab carrying Hoag Road over Tehama-Colusa Canal in Tehama County, California. It was built in 1968, so it is 57 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 3,140 vehicles a day, roughly 5% of them trucks, projected to reach 3,750 by 2044. The structure is 84 ft (25.6 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesHoag Road
CrossesTehama-Colusa Canal
Location3.4 MI E/O I-5
RouteCounty Highway 0
CountyTehama County
StateCalifornia
Coordinates39.92816, -122.13604
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.5 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span40 ft (12.2 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,140 (2021)
Projected traffic3,750 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Hoag Road over Tehama-Colusa Canal built?

It was built in 1968, making it 57 years old in 2025.

What condition is Hoag Road over Tehama-Colusa Canal 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 November 2024.

How much traffic does Hoag Road over Tehama-Colusa Canal carry?

About 3,140 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Hoag Road over Tehama-Colusa Canal?

The structure is 84 ft (25.6 m) long with a longest span of 40 ft (12.2 m) and a deck 44 ft wide.

Who owns Hoag Road over Tehama-Colusa Canal?

It is owned by the County Highway Agency.