US Bridges

West Capitol Ave over Sacramento River (tower)

Fair

Yolo County, California · 03-YOL-275-13.07-WSAC · Structure no. 22 0021

Built
1934
91 years old, rebuilt 2005
Condition
Fair
inspected June 2023
Type
Movable - Lift
Steel
Length
738 ft
1 main span
Daily traffic
12,000
2013 count
Owner
State
State Highway Agency

About this bridge

West Capitol Ave over Sacramento River (tower) is a steel movable - lift carrying West Capitol Ave over Sacramento River (tower) in Yolo County, California. It was built in 1934 and reconstructed in 2005, so it is 91 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 12,000 vehicles a day, roughly 4% of them trucks, projected to reach 23,770 by 2041. The structure is 738 ft (224.9 m) long and 52 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesWest Capitol Ave
CrossesSacramento River (tower)
Location03-YOL-275-13.07-WSAC
RouteState Highway 275
CountyYolo County
StateCalifornia
Coordinates38.58084, -121.50971
Functional classUrban Other Principal Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeMovable - Lift
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+7 approach)
Design loadUnknown
Structure length738 ft (224.9 m)
Longest span210 ft (63.9 m)
Deck width52 ft (15.8 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic12,000 (2013)
Projected traffic23,770 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was West Capitol Ave over Sacramento River (tower) built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 2005.

What condition is West Capitol Ave over Sacramento River (tower) 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 West Capitol Ave over Sacramento River (tower) carry?

About 12,000 vehicles per day (2013 count), of which roughly 4% are trucks.

How long is West Capitol Ave over Sacramento River (tower)?

The structure is 738 ft (224.9 m) long with a longest span of 210 ft (63.9 m) and a deck 52 ft wide.

Who owns West Capitol Ave over Sacramento River (tower)?

It is owned by the State Highway Agency.