US Bridges

Palisades Road over Drainage Nacimiento Riv

Fair

Monterey County, California · NW Oak Flat Sec 27 · Structure no. DAPFORLIG000758

Built
2012
13 years old
Condition
Fair
inspected October 2023
Type
Truss - Thru
Steel
Length
60 ft
1 main span
Daily traffic
1
2021 count
Owner
Federal
Army

About this bridge

Palisades Road over Drainage Nacimiento Riv is a steel truss - thru carrying Palisades Road over Drainage Nacimiento Riv in Monterey County, California. It was built in 2012, so it is 13 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 1 vehicles a day, roughly 1% of them trucks, projected to reach 2 by 2045. The structure is 60 ft (18.3 m) long and 18 ft wide.

CarriesPalisades Road
CrossesDrainage Nacimiento Riv
LocationNW Oak Flat Sec 27
Coordinates35.86136, -121.2054
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.7 US tons
Inventory rating50 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width18 ft (5.6 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2021)
Projected traffic2 by 2045
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesRelief for waterway
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$30,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Palisades Road over Drainage Nacimiento Riv built?

It was built in 2012, making it 13 years old in 2025.

What condition is Palisades Road over Drainage Nacimiento Riv 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 October 2023.

How much traffic does Palisades Road over Drainage Nacimiento Riv carry?

About 1 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Palisades Road over Drainage Nacimiento Riv?

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 Palisades Road over Drainage Nacimiento Riv?

It is owned by the Army.