US Bridges

Range Road over Drainage San Antonio Riv

PoorClosed to traffic

Monterey County, California · N Tule Airstrip Sec 25 · Structure no. DAPFORLIG000781

Built
1965
60 years old
Condition
Poor
inspected March 2017
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
21 ft
1 main span
Daily traffic
10
2015 count
Owner
Federal
Army

About this bridge

Range Road over Drainage San Antonio Riv is a wood or timber stringer/multi-beam or girder carrying Range Road over Drainage San Antonio Riv in Monterey County, California. It was built in 1965, so it is 60 years old, older 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. Its operating status is: closed to all traffic.

It carries about 10 vehicles a day, roughly 20% of them trucks, projected to reach 10 by 2037. The structure is 21 ft (6.3 m) long and 20 ft wide.

CarriesRange Road
CrossesDrainage San Antonio Riv
LocationN Tule Airstrip Sec 25
Coordinates35.90828, -121.1227
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating—
Inventory rating—

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span21 ft (6.3 m)
Deck width20 ft (6.1 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2015)
Projected traffic10 by 2037
Trucks20%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Range Road over Drainage San Antonio Riv built?

It was built in 1965, making it 60 years old in 2025.

What condition is Range Road over Drainage San Antonio Riv 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 Range Road over Drainage San Antonio Riv carry?

About 10 vehicles per day (2015 count), of which roughly 20% are trucks.

How long is Range Road over Drainage San Antonio Riv?

The structure is 21 ft (6.3 m) long with a longest span of 21 ft (6.3 m) and a deck 20 ft wide.

Who owns Range Road over Drainage San Antonio Riv?

It is owned by the Army.