US Bridges

Fallen Leaf Road over Glen Alpine Creek

Fair

El Dorado County, California · 100 N of Glen Alpine RD · Structure no. 25C0082

Built
1966
59 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
80 ft
2 main spans
Daily traffic
3,200
2010 count
Owner
County
County Highway Agency

About this bridge

Fallen Leaf Road over Glen Alpine Creek is a concrete continuous tee beam carrying Fallen Leaf Road over Glen Alpine Creek in El Dorado County, California. It was built in 1966, so it is 59 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,200 vehicles a day, roughly 10% of them trucks, projected to reach 6,542 by 2041. The structure is 80 ft (24.4 m) long and 21 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesFallen Leaf Road
CrossesGlen Alpine Creek
Location100 N of Glen Alpine RD
RouteCounty Highway 0
Coordinates38.87982, -120.07095
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length80 ft (24.4 m)
Longest span41 ft (12.5 m)
Deck width21 ft (6.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2010)
Projected traffic6,542 by 2041
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Fallen Leaf Road over Glen Alpine Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Fallen Leaf Road over Glen Alpine Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does Fallen Leaf Road over Glen Alpine Creek carry?

About 3,200 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Fallen Leaf Road over Glen Alpine Creek?

The structure is 80 ft (24.4 m) long with a longest span of 41 ft (12.5 m) and a deck 21 ft wide.

Who owns Fallen Leaf Road over Glen Alpine Creek?

It is owned by the County Highway Agency.