US Bridges

Sanford Ranch Road over Mc Clure Creek

Fair

Mendocino County, California · 0.5 MI N JCT Wth FAU 5222 · Structure no. 10C0189

Built
1955
70 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
777
2011 count
Owner
County
County Highway Agency

About this bridge

Sanford Ranch Road over Mc Clure Creek is a concrete continuous culvert carrying Sanford Ranch Road over Mc Clure Creek in Mendocino County, California. It was built in 1955, so it is 70 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 777 vehicles a day, roughly 2% of them trucks, projected to reach 793 by 2046. The structure is 31 ft (9.3 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSanford Ranch Road
CrossesMc Clure Creek
Location0.5 MI N JCT Wth FAU 5222
RouteCounty Highway 0
CountyMendocino County
StateCalifornia
Coordinates39.13899, -123.16747
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length31 ft (9.3 m)
Longest span14 ft (4.2 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic777 (2011)
Projected traffic793 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Sanford Ranch Road over Mc Clure Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Sanford Ranch Road over Mc Clure 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 February 2024.

How much traffic does Sanford Ranch Road over Mc Clure Creek carry?

About 777 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Sanford Ranch Road over Mc Clure Creek?

The structure is 31 ft (9.3 m) long with a longest span of 14 ft (4.2 m) and a deck 34 ft wide.

Who owns Sanford Ranch Road over Mc Clure Creek?

It is owned by the County Highway Agency.