US Bridges

Scott RD over Scott Creek

Fair

Lassen County, California · 2.0 MI S of SR 70 · Structure no. 07C0079

Built
1954
71 years old, rebuilt 1992
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
24 ft
1 main span
Daily traffic
50
1979 count
Owner
County
County Highway Agency

About this bridge

Scott RD over Scott Creek is a wood or timber stringer/multi-beam or girder carrying Scott RD over Scott Creek in Lassen County, California. It was built in 1954 and reconstructed in 1992, so it is 71 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 50 vehicles a day, projected to reach 83 by 2041. The structure is 24 ft (7.3 m) long and 21 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesScott RD
CrossesScott Creek
Location2.0 MI S of SR 70
RouteCounty Highway 0
CountyLassen County
StateCalifornia
Coordinates39.76101, -120.06753
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.2 US tons
Inventory rating22.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1979)
Projected traffic83 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Scott RD over Scott Creek built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1992.

What condition is Scott RD over Scott 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 Scott RD over Scott Creek carry?

About 50 vehicles per day (1979 count).

How long is Scott RD over Scott Creek?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 21 ft wide.

Who owns Scott RD over Scott Creek?

It is owned by the County Highway Agency.