US Bridges

State Route 162 over Town Creek

Good

Mendocino County, California · 01-MEN-162-28.74 · Structure no. 10 0094

Built
1983
42 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
2,200
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 162 over Town Creek is a concrete continuous slab carrying State Route 162 over Town Creek in Mendocino County, California. It was built in 1983, so it is 42 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,200 vehicles a day, roughly 12% of them trucks, projected to reach 3,018 by 2045. The structure is 103 ft (31.5 m) long and 44 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesState Route 162
CrossesTown Creek
Location01-MEN-162-28.74
RouteState Highway 162
Coordinates39.78794, -123.24814
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length103 ft (31.5 m)
Longest span34 ft (10.4 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2009)
Projected traffic3,018 by 2045
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 162 over Town Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is State Route 162 over Town Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does State Route 162 over Town Creek carry?

About 2,200 vehicles per day (2009 count), of which roughly 12% are trucks.

How long is State Route 162 over Town Creek?

The structure is 103 ft (31.5 m) long with a longest span of 34 ft (10.4 m) and a deck 44 ft wide.

Who owns State Route 162 over Town Creek?

It is owned by the State Highway Agency.