US Bridges

Highway 96 over Oneil Creek

Good

Siskiyou County, California · 02-SIS-096-65.38 · Structure no. 02 0197

Built
2008
17 years old
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
600
2015 count
Owner
State
State Highway Agency

About this bridge

Highway 96 over Oneil Creek is a prestressed concrete slab carrying Highway 96 over Oneil Creek in Siskiyou County, California. It was built in 2008, so it is 17 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 600 vehicles a day, roughly 10% of them trucks, projected to reach 735 by 2046. The structure is 48 ft (14.7 m) long and 36 ft wide. If it were closed, the detour would be 61.5 mi (99 km).

CarriesHighway 96
CrossesOneil Creek
Location02-SIS-096-65.38
RouteState Highway 96
Coordinates41.81042, -123.11584
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length48 ft (14.7 m)
Longest span44 ft (13.3 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2015)
Projected traffic735 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed61.5 mi (99 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Highway 96 over Oneil Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Highway 96 over Oneil Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Highway 96 over Oneil Creek carry?

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

How long is Highway 96 over Oneil Creek?

The structure is 48 ft (14.7 m) long with a longest span of 44 ft (13.3 m) and a deck 36 ft wide.

Who owns Highway 96 over Oneil Creek?

It is owned by the State Highway Agency.