US Bridges

Walters Road over Interstate 5

Good

Siskiyou County, California · 02-SIS-005-R44.31 · Structure no. 02 0149

Built
1970
55 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
203 ft
2 main spans
Daily traffic
1,915
2024 count
Owner
State
State Highway Agency

About this bridge

Walters Road over Interstate 5 is a prestressed concrete continuous stringer/multi-beam or girder carrying Walters Road over Interstate 5 in Siskiyou County, California. It was built in 1970, so it is 55 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 1,915 vehicles a day, roughly 2% of them trucks, projected to reach 3,173 by 2045. The structure is 203 ft (61.8 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesWalters Road
CrossesInterstate 5
Location02-SIS-005-R44.31
RouteCounty Highway 0
Coordinates41.68539, -122.63576
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length203 ft (61.8 m)
Longest span103 ft (31.3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,915 (2024)
Projected traffic3,173 by 2045
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Walters Road over Interstate 5 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Walters Road over Interstate 5 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 July 2024.

How much traffic does Walters Road over Interstate 5 carry?

About 1,915 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Walters Road over Interstate 5?

The structure is 203 ft (61.8 m) long with a longest span of 103 ft (31.3 m) and a deck 34 ft wide.

Who owns Walters Road over Interstate 5?

It is owned by the State Highway Agency.