US Bridges

Ramp/Connector 96 over Klamath River

Good

Siskiyou County, California · 02-SIS-096-105.61 · Structure no. 02 0135E

Built
1968
57 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
256 ft
3 main spans
Daily traffic
730
2015 count
Owner
State
State Highway Agency

About this bridge

Ramp/Connector 96 over Klamath River is a prestressed concrete continuous stringer/multi-beam or girder carrying Ramp/Connector 96 over Klamath River in Siskiyou County, California. It was built in 1968, so it is 57 years old, older 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 730 vehicles a day, roughly 39% of them trucks, projected to reach 2,406 by 2042. The structure is 256 ft (78 m) long and 34 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesRamp/Connector 96
CrossesKlamath River
Location02-SIS-096-105.61
RouteState Highway 96
Coordinates41.85508, -122.5738
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 protection7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating41.4 US tons
Inventory rating25.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length256 ft (78 m)
Longest span86 ft (26.2 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic730 (2015)
Projected traffic2,406 by 2042
Trucks39%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Ramp/Connector 96 over Klamath River built?

It was built in 1968, making it 57 years old in 2025.

What condition is Ramp/Connector 96 over Klamath River 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 Ramp/Connector 96 over Klamath River carry?

About 730 vehicles per day (2015 count), of which roughly 39% are trucks.

How long is Ramp/Connector 96 over Klamath River?

The structure is 256 ft (78 m) long with a longest span of 86 ft (26.2 m) and a deck 34 ft wide.

Who owns Ramp/Connector 96 over Klamath River?

It is owned by the State Highway Agency.