US Bridges

Benjamin Creek RD over Doolittle Creek

Fair

Siskiyou County, California · Clear Creek · Structure no. 050552000001024

Built
1975
50 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Benjamin Creek RD over Doolittle Creek is a prestressed concrete stringer/multi-beam or girder carrying Benjamin Creek RD over Doolittle Creek in Siskiyou County, California. It was built in 1975, so it is 50 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 6 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 60 ft (18.3 m) long and 14 ft wide.

Location

Open in Google Maps
CarriesBenjamin Creek RD
CrossesDoolittle Creek
LocationClear Creek
RouteFederal Lands Road 17N16
CountySiskiyou County
StateCalifornia
Coordinates41.8312, -123.4143
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span57 ft (17.5 m)
Deck width14 ft (4.3 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 Benjamin Creek RD over Doolittle Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Benjamin Creek RD over Doolittle 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 2023.

How much traffic does Benjamin Creek RD over Doolittle Creek carry?

About 50 vehicles per day (latest count).

How long is Benjamin Creek RD over Doolittle Creek?

The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.5 m) and a deck 14 ft wide.

Who owns Benjamin Creek RD over Doolittle Creek?

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