US Bridges

Walnut Grove Xing over Sacramento River

FairPosted for load

Sacramento County, California · In Walnut Grove · Structure no. 24C0005

Built
1952
73 years old
Condition
Fair
inspected April 2024
Type
Movable - Bascule
Steel Continuous
Length
302 ft
3 main spans
Daily traffic
6,626
2009 count
Owner
County
County Highway Agency

About this bridge

Walnut Grove Xing over Sacramento River is a steel continuous movable - bascule carrying Walnut Grove Xing over Sacramento River in Sacramento County, California. It was built in 1952, so it is 73 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. Its operating status is: posted for other load-capacity restriction.

It carries about 6,626 vehicles a day, roughly 10% of them trucks, projected to reach 17,119 by 2041. The structure is 302 ft (92 m) long and 27 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesWalnut Grove Xing
CrossesSacramento River
LocationIn Walnut Grove
RouteCounty Highway 0
Coordinates38.24245, -121.51559
Functional classRural Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating30.3 US tons
Inventory rating18.2 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel Continuous
DeckOpen grating
Main spans3 (+4 approach)
Design loadH 15
Structure length302 ft (92 m)
Longest span226 ft (68.9 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic6,626 (2009)
Projected traffic17,119 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed14.9 mi (24 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Walnut Grove Xing over Sacramento River built?

It was built in 1952, making it 73 years old in 2025.

What condition is Walnut Grove Xing 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 April 2024.

How much traffic does Walnut Grove Xing over Sacramento River carry?

About 6,626 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is Walnut Grove Xing over Sacramento River?

The structure is 302 ft (92 m) long with a longest span of 226 ft (68.9 m) and a deck 27 ft wide.

Who owns Walnut Grove Xing over Sacramento River?

It is owned by the County Highway Agency.