US Bridges

Doolittle Creek RD over Indian Creek

Fair

Siskiyou County, California · At Indian Creek RD · Structure no. 02C0228

Built
1965
60 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
129 ft
1 main span
Daily traffic
79
2011 count
Owner
County
County Highway Agency

About this bridge

Doolittle Creek RD over Indian Creek is a steel stringer/multi-beam or girder carrying Doolittle Creek RD over Indian Creek in Siskiyou County, California. It was built in 1965, so it is 60 years old, older 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 79 vehicles a day, roughly 5% of them trucks, projected to reach 104 by 2041. The structure is 129 ft (39.2 m) long and 17 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesDoolittle Creek RD
CrossesIndian Creek
LocationAt Indian Creek RD
RouteCounty Highway 0
CountySiskiyou County
StateCalifornia
Coordinates41.82677, -123.38242
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89.6 US tons
Inventory rating53.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length129 ft (39.2 m)
Longest span100 ft (30.5 m)
Deck width17 ft (5.1 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79 (2011)
Projected traffic104 by 2041
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Doolittle Creek RD over Indian Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Doolittle Creek RD over Indian 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 July 2023.

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

About 79 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is Doolittle Creek RD over Indian Creek?

The structure is 129 ft (39.2 m) long with a longest span of 100 ft (30.5 m) and a deck 17 ft wide.

Who owns Doolittle Creek RD over Indian Creek?

It is owned by the County Highway Agency.