US Bridges

Shaffer Road over Livingston Canal

Fair

Merced County, California · 0.2 MI N Bellevue Road · Structure no. 39C0156

Built
1930
95 years old, rebuilt 1992
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
47 ft
3 main spans
Daily traffic
6,238
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

Shaffer Road over Livingston Canal is a concrete continuous slab carrying Shaffer Road over Livingston Canal in Merced County, California. It was built in 1930 and reconstructed in 1992, so it is 95 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 6,238 vehicles a day, roughly 7% of them trucks, projected to reach 10,940 by 2042. The structure is 47 ft (14.3 m) long and 68 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesShaffer Road
CrossesLivingston Canal
Location0.2 MI N Bellevue Road
RouteCity Street 0
Coordinates37.36285, -120.59564
Functional classUrban 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
Deck7 GoodSome minor problems.
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span16 ft (4.9 m)
Deck width68 ft (20.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,238 (2009)
Projected traffic10,940 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Shaffer Road over Livingston Canal built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1992.

What condition is Shaffer Road over Livingston Canal 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 January 2024.

How much traffic does Shaffer Road over Livingston Canal carry?

About 6,238 vehicles per day (2009 count), of which roughly 7% are trucks.

How long is Shaffer Road over Livingston Canal?

The structure is 47 ft (14.3 m) long with a longest span of 16 ft (4.9 m) and a deck 68 ft wide.

Who owns Shaffer Road over Livingston Canal?

It is owned by the City or Municipal Highway Agency.