US Bridges

Finley East Road over Adobe Creek

Fair

Lake County, California · 0.1 MI E of Stone DR · Structure no. 14C0003

Built
1970
55 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
86 ft
3 main spans
Daily traffic
309
2009 count
Owner
County
County Highway Agency

About this bridge

Finley East Road over Adobe Creek is a concrete continuous slab carrying Finley East Road over Adobe Creek in Lake County, California. It was built in 1970, so it is 55 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 6 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 309 vehicles a day, roughly 5% of them trucks, projected to reach 489 by 2046. The structure is 86 ft (26.2 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFinley East Road
CrossesAdobe Creek
Location0.1 MI E of Stone DR
RouteCounty Highway 0
Coordinates39.00428, -122.87343
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating24.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length86 ft (26.2 m)
Longest span28 ft (8.5 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic309 (2009)
Projected traffic489 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Finley East Road over Adobe Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Finley East Road over Adobe 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 February 2024.

How much traffic does Finley East Road over Adobe Creek carry?

About 309 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is Finley East Road over Adobe Creek?

The structure is 86 ft (26.2 m) long with a longest span of 28 ft (8.5 m) and a deck 28 ft wide.

Who owns Finley East Road over Adobe Creek?

It is owned by the County Highway Agency.