US Bridges

Ruby Canyon Road over Drainage Kd Reservoir

PoorClosed to traffic

Monterey County, California · S Old Man Canyon Sec 13 W · Structure no. DAPFORLIG000748

Built
2002
23 years old
Condition
Poor
inspected March 2017
Type
Truss - Thru
Steel
Length
60 ft
1 main span
Daily traffic
1
2015 count
Owner
Federal
Army

About this bridge

Ruby Canyon Road over Drainage Kd Reservoir is a steel truss - thru carrying Ruby Canyon Road over Drainage Kd Reservoir in Monterey County, California. It was built in 2002, so it is 23 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 3 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. Its operating status is: closed to all traffic.

It carries about 1 vehicles a day, roughly 1% of them trucks, projected to reach 2 by 2037. The structure is 60 ft (18.3 m) long and 18 ft wide.

CarriesRuby Canyon Road
CrossesDrainage Kd Reservoir
LocationS Old Man Canyon Sec 13 W
Coordinates35.98947, -121.1953
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2017
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation*: *
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating—
Inventory rating—

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width18 ft (5.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2015)
Projected traffic2 by 2037
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$17,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ruby Canyon Road over Drainage Kd Reservoir built?

It was built in 2002, making it 23 years old in 2025.

What condition is Ruby Canyon Road over Drainage Kd Reservoir 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 March 2017.

How much traffic does Ruby Canyon Road over Drainage Kd Reservoir carry?

About 1 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Ruby Canyon Road over Drainage Kd Reservoir?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 18 ft wide.

Who owns Ruby Canyon Road over Drainage Kd Reservoir?

It is owned by the Army.