US Bridges

U.S. Highway 50 over Mountainside

Good

El Dorado County, California · 03-ED-050-67.30 · Structure no. 25 0154

Built
2020
5 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
96 ft
1 main span
Daily traffic
8,900
2016 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 50 over Mountainside is a prestressed concrete box beam or girders - multiple carrying U.S. Highway 50 over Mountainside in El Dorado County, California. It was built in 2020, so it is 5 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 8,900 vehicles a day, roughly 4% of them trucks, projected to reach 11,732 by 2046. The structure is 96 ft (29.3 m) long and 30 ft wide. If it were closed, the detour would be 70.2 mi (113 km).

CarriesU.S. Highway 50
CrossesMountainside
Location03-ED-050-67.30
RouteU.S. Route 50
Coordinates38.81942, -120.02724
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length96 ft (29.3 m)
Longest span94 ft (28.5 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,900 (2016)
Projected traffic11,732 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed70.2 mi (113 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. Highway 50 over Mountainside built?

It was built in 2020, making it 5 years old in 2025.

What condition is U.S. Highway 50 over Mountainside 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 Mountainside carry?

About 8,900 vehicles per day (2016 count), of which roughly 4% are trucks.

How long is U.S. Highway 50 over Mountainside?

The structure is 96 ft (29.3 m) long with a longest span of 94 ft (28.5 m) and a deck 30 ft wide.

Who owns U.S. Highway 50 over Mountainside?

It is owned by the State Highway Agency.