US Bridges

State Route 96 over Scott River

Poor

Siskiyou County, California · 02-SIS-096-71.23 · Structure no. 02 0079

Built
1957
68 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
228 ft
3 main spans
Daily traffic
600
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 96 over Scott River is a steel stringer/multi-beam or girder carrying State Route 96 over Scott River in Siskiyou County, California. It was built in 1957, so it is 68 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.

It carries about 600 vehicles a day, roughly 10% of them trucks, projected to reach 716 by 2042. The structure is 228 ft (69.4 m) long and 32 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

CarriesState Route 96
CrossesScott River
Location02-SIS-096-71.23
RouteState Highway 96
Coordinates41.77848, -123.03767
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length228 ft (69.4 m)
Longest span85 ft (25.8 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2015)
Projected traffic716 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 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 Scott River built?

It was built in 1957, making it 68 years old in 2025.

What condition is State Route 96 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 September 2024.

How much traffic does State Route 96 over Scott River carry?

About 600 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is State Route 96 over Scott River?

The structure is 228 ft (69.4 m) long with a longest span of 85 ft (25.8 m) and a deck 32 ft wide.

Who owns State Route 96 over Scott River?

It is owned by the State Highway Agency.