US Bridges

Bucks Bar RD over N Fork Cosumnes River

Fair

El Dorado County, California · 1.2 MI N Mt Aukum RD · Structure no. 25C0003

Built
1940
85 years old
Condition
Fair
inspected June 2023
Type
Arch - Deck
Concrete
Length
71 ft
1 main span
Daily traffic
4,491
2012 count
Owner
County
County Highway Agency

About this bridge

Bucks Bar RD over N Fork Cosumnes River is a concrete arch - deck carrying Bucks Bar RD over N Fork Cosumnes River in El Dorado County, California. It was built in 1940, so it is 85 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 6 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 4,491 vehicles a day, roughly 10% of them trucks, projected to reach 9,202 by 2043. The structure is 71 ft (21.6 m) long and 22 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesBucks Bar RD
CrossesN Fork Cosumnes River
Location1.2 MI N Mt Aukum RD
RouteCounty Highway 0
Coordinates38.65325, -120.70152
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.1 US tons
Inventory rating33.6 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length71 ft (21.6 m)
Longest span70 ft (21.2 m)
Deck width22 ft (6.6 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,491 (2012)
Projected traffic9,202 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Bucks Bar RD over N Fork Cosumnes River built?

It was built in 1940, making it 85 years old in 2025.

What condition is Bucks Bar RD over N Fork Cosumnes 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 June 2023.

How much traffic does Bucks Bar RD over N Fork Cosumnes River carry?

About 4,491 vehicles per day (2012 count), of which roughly 10% are trucks.

How long is Bucks Bar RD over N Fork Cosumnes River?

The structure is 71 ft (21.6 m) long with a longest span of 70 ft (21.2 m) and a deck 22 ft wide.

Who owns Bucks Bar RD over N Fork Cosumnes River?

It is owned by the County Highway Agency.