US Bridges

Bridge Street over Sacramento River

Fair

Siskiyou County, California · West of First ST · Structure no. 02C0054

Built
1965
60 years old
Condition
Fair
inspected June 2023
Type
Girder and Floorbeam System
Steel
Length
83 ft
1 main span
Daily traffic
1,104
2011 count
Owner
County
County Highway Agency

About this bridge

Bridge Street over Sacramento River is a steel girder and floorbeam system carrying Bridge Street over Sacramento River in Siskiyou County, California. It was built in 1965, so it is 60 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 5 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 1,104 vehicles a day, roughly 3% of them trucks, projected to reach 1,417 by 2041. The structure is 83 ft (25.3 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBridge Street
CrossesSacramento River
LocationWest of First ST
RouteCounty Highway 0
Coordinates41.20228, -122.27258
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span82 ft (25 m)
Deck width28 ft (8.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,104 (2011)
Projected traffic1,417 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Bridge Street over Sacramento River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Bridge Street 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 June 2023.

How much traffic does Bridge Street over Sacramento River carry?

About 1,104 vehicles per day (2011 count), of which roughly 3% are trucks.

How long is Bridge Street over Sacramento River?

The structure is 83 ft (25.3 m) long with a longest span of 82 ft (25 m) and a deck 28 ft wide.

Who owns Bridge Street over Sacramento River?

It is owned by the County Highway Agency.