US Bridges

W. A. Barr RD over Sacramento River

Fair

Siskiyou County, California · 1.5 MI S of W Ream Ave · Structure no. 02C0252

Built
1968
57 years old, rebuilt 1997
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
151 ft
3 main spans
Daily traffic
864
2011 count
Owner
County
County Highway Agency

About this bridge

W. A. Barr RD over Sacramento River is a prestressed concrete stringer/multi-beam or girder carrying W. A. Barr RD over Sacramento River in Siskiyou County, California. It was built in 1968 and reconstructed in 1997, 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 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 864 vehicles a day, roughly 10% of them trucks, projected to reach 1,094 by 2045. The structure is 151 ft (46 m) long and 36 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesW. A. Barr RD
CrossesSacramento River
Location1.5 MI S of W Ream Ave
RouteCounty Highway 0
CountySiskiyou County
StateCalifornia
Coordinates41.27844, -122.32889
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.2 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length151 ft (46 m)
Longest span48 ft (14.6 m)
Deck width36 ft (11 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic864 (2011)
Projected traffic1,094 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 W. A. Barr RD over Sacramento River built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1997.

What condition is W. A. Barr RD over Sacramento River 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 July 2023.

How much traffic does W. A. Barr RD over Sacramento River carry?

About 864 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is W. A. Barr RD over Sacramento River?

The structure is 151 ft (46 m) long with a longest span of 48 ft (14.6 m) and a deck 36 ft wide.

Who owns W. A. Barr RD over Sacramento River?

It is owned by the County Highway Agency.