US Bridges

Carson Road over US Highway 50

Good

El Dorado County, California · 03-ED-050-18.76-PLCR · Structure no. 25 0066

Built
1961
64 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
173 ft
2 main spans
Daily traffic
5,000
2016 count
Owner
State
State Highway Agency

About this bridge

Carson Road over US Highway 50 is a concrete continuous box beam or girders - multiple carrying Carson Road over US Highway 50 in El Dorado County, California. It was built in 1961, so it is 64 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,000 vehicles a day, roughly 3% of them trucks, projected to reach 7,345 by 2046. The structure is 173 ft (52.7 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCarson Road
CrossesUS Highway 50
Location03-ED-050-18.76-PLCR
RouteCity Street 0
Coordinates38.73191, -120.78614
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating26.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length173 ft (52.7 m)
Longest span61 ft (18.6 m)
Deck width48 ft (14.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2016)
Projected traffic7,345 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Carson Road over US Highway 50 built?

It was built in 1961, making it 64 years old in 2025.

What condition is Carson Road over US Highway 50 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Carson Road over US Highway 50 carry?

About 5,000 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is Carson Road over US Highway 50?

The structure is 173 ft (52.7 m) long with a longest span of 61 ft (18.6 m) and a deck 48 ft wide.

Who owns Carson Road over US Highway 50?

It is owned by the State Highway Agency.