US Bridges

WB 50 Off-Ramp over Carson Creek

Good

El Dorado County, California · 03-ED-050-R1.90L · Structure no. 25 0130K

Built
2015
10 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
257 ft
3 main spans
Daily traffic
4,000
2015 count
Owner
State
State Highway Agency

About this bridge

WB 50 Off-Ramp over Carson Creek is a concrete continuous box beam or girders - multiple carrying WB 50 Off-Ramp over Carson Creek in El Dorado County, California. It was built in 2015, so it is 10 years old, younger 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 4,000 vehicles a day, roughly 6% of them trucks, projected to reach 6,551 by 2044. The structure is 257 ft (78.3 m) long and 51 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWB 50 Off-Ramp
CrossesCarson Creek
Location03-ED-050-R1.90L
RouteU.S. Route 50
Coordinates38.65931, -121.05331
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length257 ft (78.3 m)
Longest span102 ft (31.1 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2015)
Projected traffic6,551 by 2044
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 WB 50 Off-Ramp over Carson Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is WB 50 Off-Ramp over Carson Creek 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 WB 50 Off-Ramp over Carson Creek carry?

About 4,000 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is WB 50 Off-Ramp over Carson Creek?

The structure is 257 ft (78.3 m) long with a longest span of 102 ft (31.1 m) and a deck 51 ft wide.

Who owns WB 50 Off-Ramp over Carson Creek?

It is owned by the State Highway Agency.