US Bridges

State Route 96 over Stanshaw Creek

Fair

Siskiyou County, California · 02-SIS-096-R8.20 · Structure no. 02 0023

Built
1942
83 years old, rebuilt 1967
Condition
Fair
inspected September 2024
Type
Arch - Deck
Steel
Length
24 ft
2 main spans
Daily traffic
330
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 96 over Stanshaw Creek is a steel arch - deck carrying State Route 96 over Stanshaw Creek in Siskiyou County, California. It was built in 1942 and reconstructed in 1967, so it is 83 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 330 vehicles a day, roughly 2% of them trucks, projected to reach 418 by 2042. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesState Route 96
CrossesStanshaw Creek
Location02-SIS-096-R8.20
RouteState Highway 96
CountySiskiyou County
StateCalifornia
Coordinates41.47621, -123.50826
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2009)
Projected traffic418 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 96 over Stanshaw Creek built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1967.

What condition is State Route 96 over Stanshaw 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 September 2024.

How much traffic does State Route 96 over Stanshaw Creek carry?

About 330 vehicles per day (2009 count), of which roughly 2% are trucks.

How long is State Route 96 over Stanshaw Creek?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns State Route 96 over Stanshaw Creek?

It is owned by the State Highway Agency.