US Bridges

Road 67 over Angel Slough

Fair

Glenn County, California · 0.2 MI E of CO RD Z · Structure no. 11C0083

Built
1972
53 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
168 ft
6 main spans
Daily traffic
91
2011 count
Owner
County
County Highway Agency

About this bridge

Road 67 over Angel Slough is a concrete continuous slab carrying Road 67 over Angel Slough in Glenn County, California. It was built in 1972, so it is 53 years old, younger 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 91 vehicles a day, projected to reach 97 by 2042. The structure is 168 ft (51.2 m) long and 32 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesRoad 67
CrossesAngel Slough
Location0.2 MI E of CO RD Z
RouteCounty Highway 0
Coordinates39.42029, -121.92164
Functional classRural Minor Collector

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 inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.4 US tons
Inventory rating63.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length168 ft (51.2 m)
Longest span30 ft (9.1 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91 (2011)
Projected traffic97 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Road 67 over Angel Slough built?

It was built in 1972, making it 53 years old in 2025.

What condition is Road 67 over Angel Slough 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 February 2024.

How much traffic does Road 67 over Angel Slough carry?

About 91 vehicles per day (2011 count).

How long is Road 67 over Angel Slough?

The structure is 168 ft (51.2 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.

Who owns Road 67 over Angel Slough?

It is owned by the County Highway Agency.