US Bridges

Reeves Canyon Road over Mill Creek

Poor

Mendocino County, California · 3.1 MI W SR 101 · Structure no. 10C0078

Built
1981
44 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
105
2011 count
Owner
County
County Highway Agency

About this bridge

Reeves Canyon Road over Mill Creek is a steel stringer/multi-beam or girder carrying Reeves Canyon Road over Mill Creek in Mendocino County, California. It was built in 1981, so it is 44 years old, younger 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 105 vehicles a day, roughly 2% of them trucks, projected to reach 88 by 2041. The structure is 52 ft (15.8 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesReeves Canyon Road
CrossesMill Creek
Location3.1 MI W SR 101
RouteCounty Highway 0
Coordinates39.28183, -123.30311
Functional classRural Local

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.1 US tons
Inventory rating16.4 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span48 ft (14.6 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105 (2011)
Projected traffic88 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$243,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Reeves Canyon Road over Mill Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Reeves Canyon Road over Mill 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 August 2023.

How much traffic does Reeves Canyon Road over Mill Creek carry?

About 105 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Reeves Canyon Road over Mill Creek?

The structure is 52 ft (15.8 m) long with a longest span of 48 ft (14.6 m) and a deck 14 ft wide.

Who owns Reeves Canyon Road over Mill Creek?

It is owned by the County Highway Agency.