US Bridges

Bowman Road over S. F. Cottonwood Creek

Good

Tehama County, California · 10.6 Miles West of I-5 · Structure no. 08C0368

Built
2013
12 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
460 ft
3 main spans
Daily traffic
3,205
2008 count
Owner
County
County Highway Agency

About this bridge

Bowman Road over S. F. Cottonwood Creek is a prestressed concrete continuous box beam or girders - multiple carrying Bowman Road over S. F. Cottonwood Creek in Tehama County, California. It was built in 2013, so it is 12 years old, younger 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 3,205 vehicles a day, roughly 6% of them trucks, projected to reach 5,453 by 2046. The structure is 460 ft (140.2 m) long and 43 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesBowman Road
CrossesS. F. Cottonwood Creek
Location10.6 Miles West of I-5
RouteCounty Highway 0
Coordinates40.31499, -122.44996
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length460 ft (140.2 m)
Longest span184 ft (56.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,205 (2008)
Projected traffic5,453 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 Bowman Road over S. F. Cottonwood Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Bowman Road over S. F. Cottonwood 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 2024.

How much traffic does Bowman Road over S. F. Cottonwood Creek carry?

About 3,205 vehicles per day (2008 count), of which roughly 6% are trucks.

How long is Bowman Road over S. F. Cottonwood Creek?

The structure is 460 ft (140.2 m) long with a longest span of 184 ft (56.1 m) and a deck 43 ft wide.

Who owns Bowman Road over S. F. Cottonwood Creek?

It is owned by the County Highway Agency.