US Bridges

State Route 162 over Outlet Creek

Poor

Mendocino County, California · 01-MEN-162-0.70 · Structure no. 10 0233

Built
1958
67 years old, rebuilt 2009
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
293 ft
3 main spans
Daily traffic
860
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 162 over Outlet Creek is a steel stringer/multi-beam or girder carrying State Route 162 over Outlet Creek in Mendocino County, California. It was built in 1958 and reconstructed in 2009, so it is 67 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 860 vehicles a day, roughly 13% of them trucks, projected to reach 1,274 by 2045. The structure is 293 ft (89.4 m) long and 31 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesState Route 162
CrossesOutlet Creek
Location01-MEN-162-0.70
RouteState Highway 162
Coordinates39.55533, -123.41972
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating104.6 US tons
Inventory rating62.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length293 ft (89.4 m)
Longest span95 ft (29.1 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic860 (2009)
Projected traffic1,274 by 2045
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 Outlet Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2009.

What condition is State Route 162 over Outlet Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

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

About 860 vehicles per day (2009 count), of which roughly 13% are trucks.

How long is State Route 162 over Outlet Creek?

The structure is 293 ft (89.4 m) long with a longest span of 95 ft (29.1 m) and a deck 31 ft wide.

Who owns State Route 162 over Outlet Creek?

It is owned by the State Highway Agency.