US Bridges

Ager Beswick Road over Bogus Creek

Fair

Siskiyou County, California · 7.6 MI East of Ager Road · Structure no. 02C0097

Built
2002
23 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
69 ft
1 main span
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

Ager Beswick Road over Bogus Creek is a concrete box beam or girders - multiple carrying Ager Beswick Road over Bogus Creek in Siskiyou County, California. It was built in 2002, so it is 23 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 5 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 124 by 2041. The structure is 69 ft (21.1 m) long and 29 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesAger Beswick Road
CrossesBogus Creek
Location7.6 MI East of Ager Road
RouteCounty Highway 0
Coordinates41.92744, -122.36597
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length69 ft (21.1 m)
Longest span67 ft (20.4 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic124 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 Beswick Road over Bogus Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Ager Beswick Road over Bogus Creek 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 August 2024.

How much traffic does Ager Beswick Road over Bogus Creek carry?

About 100 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Ager Beswick Road over Bogus Creek?

The structure is 69 ft (21.1 m) long with a longest span of 67 ft (20.4 m) and a deck 29 ft wide.

Who owns Ager Beswick Road over Bogus Creek?

It is owned by the County Highway Agency.