US Bridges

Reeves Canyon Road over Mill Creek

Fair

Mendocino County, California · 4.5 MI W US 101 · Structure no. 10C0117

Built
1980
45 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
48 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 1980, so it is 45 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 105 vehicles a day, roughly 2% of them trucks, projected to reach 65 by 2041. The structure is 48 ft (14.6 m) long and 12 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesReeves Canyon Road
CrossesMill Creek
Location4.5 MI W US 101
RouteCounty Highway 0
Coordinates39.28749, -123.32493
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.3 US tons
Inventory rating27.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span40 ft (12.2 m)
Deck width12 ft (3.6 m)
Roadway width11 ft (3.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105 (2011)
Projected traffic65 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Reeves Canyon Road over Mill Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Reeves Canyon Road over Mill 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 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 48 ft (14.6 m) long with a longest span of 40 ft (12.2 m) and a deck 12 ft wide.

Who owns Reeves Canyon Road over Mill Creek?

It is owned by the County Highway Agency.