US Bridges

State Route 53 over Seigler Creek

Fair

Lake County, California · 01-LAK-053-0.02 · Structure no. 14 0054

Built
1952
73 years old, rebuilt 1997
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
35 ft
1 main span
Daily traffic
16,500
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 53 over Seigler Creek is a concrete slab carrying State Route 53 over Seigler Creek in Lake County, California. It was built in 1952 and reconstructed in 1997, so it is 73 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 16,500 vehicles a day, roughly 5% of them trucks, projected to reach 28,123 by 2046. The structure is 35 ft (10.8 m) long and 104 ft wide. If it were closed, the detour would be 59 mi (95 km).

CarriesState Route 53
CrossesSeigler Creek
Location01-LAK-053-0.02
RouteState Highway 53
Coordinates38.91038, -122.61211
Functional classUrban Other Principal Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length35 ft (10.8 m)
Longest span34 ft (10.5 m)
Deck width104 ft (31.7 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,500 (2009)
Projected traffic28,123 by 2046
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed59 mi (95 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 53 over Seigler Creek built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1997.

What condition is State Route 53 over Seigler 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 October 2024.

How much traffic does State Route 53 over Seigler Creek carry?

About 16,500 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is State Route 53 over Seigler Creek?

The structure is 35 ft (10.8 m) long with a longest span of 34 ft (10.5 m) and a deck 104 ft wide.

Who owns State Route 53 over Seigler Creek?

It is owned by the State Highway Agency.