US Bridges

Forestdale Road over Forestdale Creek

Good

Alpine County, California · No Data Entered · Structure no. 041701000001073

Built
1979
46 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
28 ft
1 main span
Daily traffic
15
1994 count
Owner
Federal
U.S. Forest Service

About this bridge

Forestdale Road over Forestdale Creek is a wood or timber stringer/multi-beam or girder carrying Forestdale Road over Forestdale Creek in Alpine County, California. It was built in 1979, so it is 46 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 15 vehicles a day, projected to reach 22 by 2045. The structure is 28 ft (8.5 m) long and 15 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesForestdale Road
CrossesForestdale Creek
LocationNo Data Entered
RouteCounty Highway 10013
Coordinates38.6792, -119.9605
Functional classRural Local

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation*: *
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating—
Inventory rating—

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (1994)
Projected traffic22 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Forestdale Road over Forestdale Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Forestdale Road over Forestdale 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 Forestdale Road over Forestdale Creek carry?

About 15 vehicles per day (1994 count).

How long is Forestdale Road over Forestdale Creek?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 15 ft wide.

Who owns Forestdale Road over Forestdale Creek?

It is owned by the U.S. Forest Service.