US Bridges

Freeport over Sacramento River

PoorPosted for load

Sacramento County, California · Concts Frprt Bl S Riv RD · Structure no. 24C0001

Built
1929
96 years old, rebuilt 1955
Condition
Poor
inspected April 2024
Type
Movable - Bascule
Steel
Length
653 ft
1 main span
Daily traffic
3,112
2009 count
Owner
County
County Highway Agency

About this bridge

Freeport over Sacramento River is a steel movable - bascule carrying Freeport over Sacramento River in Sacramento County, California. It was built in 1929 and reconstructed in 1955, so it is 96 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for other load-capacity restriction.

It carries about 3,112 vehicles a day, roughly 10% of them trucks, projected to reach 5,067 by 2042. The structure is 653 ft (198.9 m) long and 22 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesFreeport
CrossesSacramento River
LocationConcts Frprt Bl S Riv RD
RouteCounty Highway 0
Coordinates38.45548, -121.5031
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating30.8 US tons
Inventory rating18.2 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckOpen grating
Main spans1 (+5 approach)
Design loadH 20
Structure length653 ft (198.9 m)
Longest span226 ft (68.9 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deck14 ft (4.2 m)

Traffic and service

Average daily traffic3,112 (2009)
Projected traffic5,067 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.2 million (2017 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Freeport over Sacramento River built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1955.

What condition is Freeport over Sacramento River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Freeport over Sacramento River carry?

About 3,112 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is Freeport over Sacramento River?

The structure is 653 ft (198.9 m) long with a longest span of 226 ft (68.9 m) and a deck 22 ft wide.

Who owns Freeport over Sacramento River?

It is owned by the County Highway Agency.