US Bridges

Scouts Camp RD over Salmon Creek

Fair

Sonoma County, California · 0.23 MI S Bohemian HWY · Structure no. 20C0384

Built
1960
65 years old, rebuilt 2016
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
3 main spans
Daily traffic
100
2011 count
Owner
County
County Highway Agency

About this bridge

Scouts Camp RD over Salmon Creek is a steel stringer/multi-beam or girder carrying Scouts Camp RD over Salmon Creek in Sonoma County, California. It was built in 1960 and reconstructed in 2016, so it is 65 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 100 vehicles a day, projected to reach 88 by 2043. The structure is 55 ft (16.9 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesScouts Camp RD
CrossesSalmon Creek
Location0.23 MI S Bohemian HWY
RouteCounty Highway 0
Coordinates38.40316, -122.9466
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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.5 US tons
Inventory rating37.5 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length55 ft (16.9 m)
Longest span18 ft (5.6 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2011)
Projected traffic88 by 2043
Trucks—
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 Scouts Camp RD over Salmon Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2016.

What condition is Scouts Camp RD over Salmon 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 February 2025.

How much traffic does Scouts Camp RD over Salmon Creek carry?

About 100 vehicles per day (2011 count).

How long is Scouts Camp RD over Salmon Creek?

The structure is 55 ft (16.9 m) long with a longest span of 18 ft (5.6 m) and a deck 15 ft wide.

Who owns Scouts Camp RD over Salmon Creek?

It is owned by the County Highway Agency.