US Bridges

Sweeney RD over N Fk Cosumnes River

Fair

El Dorado County, California · 0.1 MI S of Happy Valley · Structure no. 25C0103

Built
1957
68 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
2 main spans
Daily traffic
790
2010 count
Owner
County
County Highway Agency

About this bridge

Sweeney RD over N Fk Cosumnes River is a steel stringer/multi-beam or girder carrying Sweeney RD over N Fk Cosumnes River in El Dorado County, California. It was built in 1957, so it is 68 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 790 vehicles a day, roughly 10% of them trucks, projected to reach 1,386 by 2043. The structure is 68 ft (20.7 m) long and 23 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesSweeney RD
CrossesN Fk Cosumnes River
Location0.1 MI S of Happy Valley
RouteCounty Highway 0
CountyEl Dorado County
StateCalifornia
Coordinates38.65227, -120.62578
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating31.4 US tons
Inventory rating18.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length68 ft (20.7 m)
Longest span32 ft (9.9 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic790 (2010)
Projected traffic1,386 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Sweeney RD over N Fk Cosumnes River built?

It was built in 1957, making it 68 years old in 2025.

What condition is Sweeney RD over N Fk 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 Sweeney RD over N Fk Cosumnes River carry?

About 790 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Sweeney RD over N Fk Cosumnes River?

The structure is 68 ft (20.7 m) long with a longest span of 32 ft (9.9 m) and a deck 23 ft wide.

Who owns Sweeney RD over N Fk Cosumnes River?

It is owned by the County Highway Agency.