US Bridges

Scott River RD over Tompkins Creek

Good

Siskiyou County, California · 4 MI N Kelsey Creek RD · Structure no. 02C0121

Built
1965
60 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
182 ft
3 main spans
Daily traffic
39
2011 count
Owner
County
County Highway Agency

About this bridge

Scott River RD over Tompkins Creek is a steel stringer/multi-beam or girder carrying Scott River RD over Tompkins 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 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 39 vehicles a day, roughly 5% of them trucks, projected to reach 55 by 2041. The structure is 182 ft (55.6 m) long and 29 ft wide. If it were closed, the detour would be 90.7 mi (146 km).

CarriesScott River RD
CrossesTompkins Creek
Location4 MI N Kelsey Creek RD
RouteCounty Highway 0
Coordinates41.68125, -123.0981
Functional classRural Major Collector

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 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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating26.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length182 ft (55.6 m)
Longest span60 ft (18.3 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (2011)
Projected traffic55 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed90.7 mi (146 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 River RD over Tompkins Creek built?

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

What condition is Scott River RD over Tompkins 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 July 2023.

How much traffic does Scott River RD over Tompkins Creek carry?

About 39 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is Scott River RD over Tompkins Creek?

The structure is 182 ft (55.6 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.

Who owns Scott River RD over Tompkins Creek?

It is owned by the County Highway Agency.