US Bridges

Lakeshore Blvd over Lyons Creek

Fair

Lake County, California · 0.5 MI S/O Nice-Lucerne R · Structure no. 14C0065

Built
1931
94 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
1,066
2009 count
Owner
County
County Highway Agency

About this bridge

Lakeshore Blvd over Lyons Creek is a steel stringer/multi-beam or girder carrying Lakeshore Blvd over Lyons Creek in Lake County, California. It was built in 1931, so it is 94 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 1,066 vehicles a day, roughly 3% of them trucks, projected to reach 2,180 by 2046. The structure is 28 ft (8.5 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesLakeshore Blvd
CrossesLyons Creek
Location0.5 MI S/O Nice-Lucerne R
RouteCounty Highway 0
CountyLake County
StateCalifornia
Coordinates39.11049, -122.9065
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating30.8 US tons
Inventory rating18.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,066 (2009)
Projected traffic2,180 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Lakeshore Blvd over Lyons Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is Lakeshore Blvd over Lyons 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 Lakeshore Blvd over Lyons Creek carry?

About 1,066 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Lakeshore Blvd over Lyons Creek?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 23 ft wide.

Who owns Lakeshore Blvd over Lyons Creek?

It is owned by the County Highway Agency.