US Bridges

Old Sherwood RD over Long Valley Creek

Fair

Mendocino County, California · Adj to US 101 · Structure no. 10C0061

Built
1989
36 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
81
2011 count
Owner
County
County Highway Agency

About this bridge

Old Sherwood RD over Long Valley Creek is a concrete slab carrying Old Sherwood RD over Long Valley Creek in Mendocino County, California. It was built in 1989, so it is 36 years old, younger 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 81 vehicles a day, projected to reach 56 by 2046. The structure is 31 ft (9.4 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesOld Sherwood RD
CrossesLong Valley Creek
LocationAdj to US 101
RouteCounty Highway 0
CountyMendocino County
StateCalifornia
Coordinates39.62473, -123.46468
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span26 ft (7.9 m)
Deck width24 ft (7.2 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81 (2011)
Projected traffic56 by 2046
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Sherwood RD over Long Valley Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Old Sherwood RD over Long Valley 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 August 2024.

How much traffic does Old Sherwood RD over Long Valley Creek carry?

About 81 vehicles per day (2011 count).

How long is Old Sherwood RD over Long Valley Creek?

The structure is 31 ft (9.4 m) long with a longest span of 26 ft (7.9 m) and a deck 24 ft wide.

Who owns Old Sherwood RD over Long Valley Creek?

It is owned by the County Highway Agency.