US Bridges

Marcum RD over Ping Slough

Fair

Sutter County, California · 1.1 MI East of Nicolaus · Structure no. 18C0090

Built
1930
95 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
199
2015 count
Owner
County
County Highway Agency

About this bridge

Marcum RD over Ping Slough is a concrete continuous slab carrying Marcum RD over Ping Slough in Sutter County, California. It was built in 1930, 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 199 vehicles a day, roughly 8% of them trucks, projected to reach 844 by 2047. The structure is 32 ft (9.8 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMarcum RD
CrossesPing Slough
Location1.1 MI East of Nicolaus
RouteCounty Highway 0
Coordinates38.89533, -121.56019
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum 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 spans2
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span15 ft (4.6 m)
Deck width25 ft (7.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic199 (2015)
Projected traffic844 by 2047
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Marcum RD over Ping Slough built?

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

What condition is Marcum RD over Ping Slough 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 February 2025.

How much traffic does Marcum RD over Ping Slough carry?

About 199 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Marcum RD over Ping Slough?

The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.6 m) and a deck 25 ft wide.

Who owns Marcum RD over Ping Slough?

It is owned by the County Highway Agency.