US Bridges

Clear Creek Road over Clear Creek

Good

Siskiyou County, California · Clear Creek · Structure no. 050552000001050

Built
1951
74 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
143 ft
3 main spans
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Clear Creek Road over Clear Creek is a steel stringer/multi-beam or girder carrying Clear Creek Road over Clear Creek in Siskiyou County, California. It was built in 1951, so it is 74 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 143 ft (43.7 m) long and 16 ft wide.

Location

Open in Google Maps
CarriesClear Creek Road
CrossesClear Creek
LocationClear Creek
RouteFederal Lands Road 15N32
CountySiskiyou County
StateCalifornia
Coordinates41.72506, -123.51833
Functional classRural Local

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 protection9 ExcellentNo problems noted.
Last inspectionAugust 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating25.7 US tons
Inventory rating19.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length143 ft (43.7 m)
Longest span110 ft (33.5 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Clear Creek Road over Clear Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is Clear Creek Road over Clear 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 2023.

How much traffic does Clear Creek Road over Clear Creek carry?

About 50 vehicles per day (latest count).

How long is Clear Creek Road over Clear Creek?

The structure is 143 ft (43.7 m) long with a longest span of 110 ft (33.5 m) and a deck 16 ft wide.

Who owns Clear Creek Road over Clear Creek?

It is owned by the U.S. Forest Service.