US Bridges

State Route 96 over Ti Creek

Fair

Siskiyou County, California · 02-SIS-096-R11.99 · Structure no. 02 0027

Built
1967
58 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
133 ft
1 main span
Daily traffic
330
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 96 over Ti Creek is a prestressed concrete box beam or girders - multiple carrying State Route 96 over Ti Creek in Siskiyou County, California. It was built in 1967, so it is 58 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 6 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 133 ft (40.5 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesState Route 96
CrossesTi Creek
Location02-SIS-096-R11.99
RouteState Highway 96
CountySiskiyou County
StateCalifornia
Coordinates41.52501, -123.5268
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating25.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length133 ft (40.5 m)
Longest span129 ft (39.3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 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 Ti Creek built?

It was built in 1967, making it 58 years old in 2025.

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

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

How long is State Route 96 over Ti Creek?

The structure is 133 ft (40.5 m) long with a longest span of 129 ft (39.3 m) and a deck 34 ft wide.

Who owns State Route 96 over Ti Creek?

It is owned by the State Highway Agency.