US Bridges

Ager-Beswich RD over Willow Creek

Good

Siskiyou County, California · East of Ager RD · Structure no. 02C0096

Built
1968
57 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Concrete Continuous
Length
82 ft
2 main spans
Daily traffic
313
2011 count
Owner
County
County Highway Agency

About this bridge

Ager-Beswich RD over Willow Creek is a concrete continuous tee beam carrying Ager-Beswich RD over Willow Creek in Siskiyou 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 313 vehicles a day, roughly 2% of them trucks, projected to reach 441 by 2044. The structure is 82 ft (25 m) long and 29 ft wide. If it were closed, the detour would be 49.1 mi (79 km).

CarriesAger-Beswich RD
CrossesWillow Creek
LocationEast of Ager RD
RouteCounty Highway 0
Coordinates41.86552, -122.46398
Functional classRural Minor 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 protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length82 ft (25 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic313 (2011)
Projected traffic441 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.1 mi (79 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 Ager-Beswich RD over Willow Creek built?

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

What condition is Ager-Beswich RD over Willow 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 August 2024.

How much traffic does Ager-Beswich RD over Willow Creek carry?

About 313 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Ager-Beswich RD over Willow Creek?

The structure is 82 ft (25 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns Ager-Beswich RD over Willow Creek?

It is owned by the County Highway Agency.