US Bridges

U.S. Highway 50 EB over Greenstone Road

Good

El Dorado County, California · 03-ED-050-R12.19 · Structure no. 25 0075R

Built
1969
56 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
89 ft
1 main span
Daily traffic
23,000
2009 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 50 EB over Greenstone Road is a concrete box beam or girders - multiple carrying U.S. Highway 50 EB over Greenstone Road in El Dorado County, California. It was built in 1969, so it is 56 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 23,000 vehicles a day, projected to reach 49,131 by 2044. The structure is 89 ft (27.1 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesU.S. Highway 50 EB
CrossesGreenstone Road
Location03-ED-050-R12.19
RouteU.S. Route 50
Coordinates38.69571, -120.8879
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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating32.8 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length89 ft (27.1 m)
Longest span88 ft (26.8 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,000 (2009)
Projected traffic49,131 by 2044
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 EB over Greenstone Road built?

It was built in 1969, making it 56 years old in 2025.

What condition is U.S. Highway 50 EB over Greenstone 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 EB over Greenstone Road carry?

About 23,000 vehicles per day (2009 count).

How long is U.S. Highway 50 EB over Greenstone Road?

The structure is 89 ft (27.1 m) long with a longest span of 88 ft (26.8 m) and a deck 41 ft wide.

Who owns U.S. Highway 50 EB over Greenstone Road?

It is owned by the State Highway Agency.