US Bridges

Paskenta Road over Mill Creek

Good

Tehama County, California · 2 MI W/O Simpson RD · Structure no. 08C0060

Built
1950
75 years old
Condition
Good
inspected February 2025
Type
Slab
Concrete Continuous
Length
97 ft
3 main spans
Daily traffic
600
2007 count
Owner
County
County Highway Agency

About this bridge

Paskenta Road over Mill Creek is a concrete continuous slab carrying Paskenta Road over Mill Creek in Tehama 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 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 875 by 2047. The structure is 97 ft (29.6 m) long and 30 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesPaskenta Road
CrossesMill Creek
Location2 MI W/O Simpson RD
RouteCounty Highway 0
Coordinates39.95241, -122.36184
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.3 US tons
Inventory rating22.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length97 ft (29.6 m)
Longest span32 ft (9.8 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2007)
Projected traffic875 by 2047
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 Paskenta Road over Mill Creek built?

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

What condition is Paskenta Road over Mill Creek 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 February 2025.

How much traffic does Paskenta Road over Mill Creek carry?

About 600 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is Paskenta Road over Mill Creek?

The structure is 97 ft (29.6 m) long with a longest span of 32 ft (9.8 m) and a deck 30 ft wide.

Who owns Paskenta Road over Mill Creek?

It is owned by the County Highway Agency.