US Bridges

State Route 253 over Soda Creek

Fair

Mendocino County, California · 01-MEN-253-3.47 · Structure no. 10 0229

Built
1925
100 years old, rebuilt 2008
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
2,300
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 253 over Soda Creek is a concrete slab carrying State Route 253 over Soda Creek in Mendocino County, California. It was built in 1925 and reconstructed in 2008, so it is 100 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 2,300 vehicles a day, roughly 14% of them trucks, projected to reach 3,367 by 2043. The structure is 22 ft (6.6 m) long and 35 ft wide. If it were closed, the detour would be 57.2 mi (92 km).

Location

Open in Google Maps
CarriesState Route 253
CrossesSoda Creek
Location01-MEN-253-3.47
RouteState Highway 253
CountyMendocino County
StateCalifornia
Coordinates39.01728, -123.32048
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.6 m)
Longest span21 ft (6.4 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2009)
Projected traffic3,367 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed57.2 mi (92 km)
TollOn a free road
National Highway SystemNo

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 253 over Soda Creek built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 2008.

What condition is State Route 253 over Soda 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 May 2023.

How much traffic does State Route 253 over Soda Creek carry?

About 2,300 vehicles per day (2009 count), of which roughly 14% are trucks.

How long is State Route 253 over Soda Creek?

The structure is 22 ft (6.6 m) long with a longest span of 21 ft (6.4 m) and a deck 35 ft wide.

Who owns State Route 253 over Soda Creek?

It is owned by the State Highway Agency.