US Bridges

U.S. Highway 50 over Sly Park Road

Good

El Dorado County, California · 03-ED-050-R31.30-PLKP · Structure no. 25 0150

Built
2014
11 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
11,350
2016 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 50 over Sly Park Road is a prestressed concrete stringer/multi-beam or girder carrying U.S. Highway 50 over Sly Park Road in El Dorado County, California. It was built in 2014, so it is 11 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 11,350 vehicles a day, roughly 6% of them trucks, projected to reach 14,690 by 2042. The structure is 73 ft (22.3 m) long and 93 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesU.S. Highway 50
CrossesSly Park Road
Location03-ED-050-R31.30-PLKP
RouteU.S. Route 50
Coordinates38.76141, -120.57597
Functional classRural Principal Arterial - Interstate

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.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length73 ft (22.3 m)
Longest span70 ft (21.3 m)
Deck width93 ft (28.3 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,350 (2016)
Projected traffic14,690 by 2042
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 U.S. Highway 50 over Sly Park Road built?

It was built in 2014, making it 11 years old in 2025.

What condition is U.S. Highway 50 over Sly Park Road 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 U.S. Highway 50 over Sly Park Road carry?

About 11,350 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is U.S. Highway 50 over Sly Park Road?

The structure is 73 ft (22.3 m) long with a longest span of 70 ft (21.3 m) and a deck 93 ft wide.

Who owns U.S. Highway 50 over Sly Park Road?

It is owned by the State Highway Agency.