US Bridges

Wildcat Creek Road over Scott River

PoorPosted for load

Siskiyou County, California · 0.1 MI E of SR 3 · Structure no. 02C0014

Built
1909
116 years old
Condition
Poor
inspected August 2024
Type
Truss - Thru
Steel
Length
150 ft
1 main span
Daily traffic
20
2011 count
Owner
County
County Highway Agency

About this bridge

Wildcat Creek Road over Scott River is a steel truss - thru carrying Wildcat Creek Road over Scott River in Siskiyou County, California. It was built in 1909, so it is 116 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, roughly 5% of them trucks, projected to reach 27 by 2041. The structure is 150 ft (45.7 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWildcat Creek Road
CrossesScott River
Location0.1 MI E of SR 3
RouteCounty Highway 0
Coordinates41.32324, -122.81264
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15.3 US tons
Inventory rating10.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+1 approach)
Design loadH 10
Structure length150 ft (45.7 m)
Longest span131 ft (39.8 m)
Deck width16 ft (5 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deck15 ft (4.4 m)

Traffic and service

Average daily traffic20 (2011)
Projected traffic27 by 2041
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$846,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Wildcat Creek Road over Scott River built?

It was built in 1909, making it 116 years old in 2025.

What condition is Wildcat Creek Road over Scott River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Wildcat Creek Road over Scott River carry?

About 20 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is Wildcat Creek Road over Scott River?

The structure is 150 ft (45.7 m) long with a longest span of 131 ft (39.8 m) and a deck 16 ft wide.

Who owns Wildcat Creek Road over Scott River?

It is owned by the County Highway Agency.