US Bridges

Lone Tree Road over Arroyo Dos Picachos Crk

Good

San Benito County, California · 2.5 MI E of Fairview Road · Structure no. 43C0063

Built
2008
17 years old
Condition
Good
inspected January 2023
Type
Slab
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
1,322
2010 count
Owner
County
County Highway Agency

About this bridge

Lone Tree Road over Arroyo Dos Picachos Crk is a prestressed concrete slab carrying Lone Tree Road over Arroyo Dos Picachos Crk in San Benito County, California. It was built in 2008, so it is 17 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,322 vehicles a day, roughly 5% of them trucks, projected to reach 1,477 by 2045. The structure is 67 ft (20.3 m) long and 33 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesLone Tree Road
CrossesArroyo Dos Picachos Crk
Location2.5 MI E of Fairview Road
RouteCounty Highway 0
Coordinates36.88504, -121.31966
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length67 ft (20.3 m)
Longest span61 ft (18.6 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,322 (2010)
Projected traffic1,477 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lone Tree Road over Arroyo Dos Picachos Crk built?

It was built in 2008, making it 17 years old in 2025.

What condition is Lone Tree Road over Arroyo Dos Picachos Crk in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does Lone Tree Road over Arroyo Dos Picachos Crk carry?

About 1,322 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Lone Tree Road over Arroyo Dos Picachos Crk?

The structure is 67 ft (20.3 m) long with a longest span of 61 ft (18.6 m) and a deck 33 ft wide.

Who owns Lone Tree Road over Arroyo Dos Picachos Crk?

It is owned by the County Highway Agency.