US Bridges

State Route 96 over Empire Creek

Fair

Siskiyou County, California · 02-SIS-096-93.09 · Structure no. 02 0087

Built
1923
102 years old, rebuilt 1969
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
28 ft
3 main spans
Daily traffic
800
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 96 over Empire Creek is a concrete continuous culvert carrying State Route 96 over Empire Creek in Siskiyou County, California. It was built in 1923 and reconstructed in 1969, so it is 102 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 800 vehicles a day, roughly 9% of them trucks, projected to reach 1,331 by 2042. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 44.1 mi (71 km).

CarriesState Route 96
CrossesEmpire Creek
Location02-SIS-096-93.09
RouteState Highway 96
Coordinates41.86746, -122.73846
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2015)
Projected traffic1,331 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 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 Empire Creek built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1969.

What condition is State Route 96 over Empire 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 Empire Creek carry?

About 800 vehicles per day (2015 count), of which roughly 9% are trucks.

How long is State Route 96 over Empire Creek?

The structure is 28 ft (8.5 m) long with a longest span of 8 ft (2.4 m).

Who owns State Route 96 over Empire Creek?

It is owned by the State Highway Agency.