US Bridges

US Highway 101 SB over Anzar Road

Good

San Benito County, California · 05-SBT-101-R4.25 · Structure no. 43 0033L

Built
1972
53 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
134 ft
1 main span
Daily traffic
32,000
2011 count
Owner
State
State Highway Agency

About this bridge

US Highway 101 SB over Anzar Road is a prestressed concrete box beam or girders - multiple carrying US Highway 101 SB over Anzar Road in San Benito County, California. It was built in 1972, so it is 53 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 32,000 vehicles a day, projected to reach 44,387 by 2042. The structure is 134 ft (40.8 m) long and 56 ft wide.

CarriesUS Highway 101 SB
CrossesAnzar Road
Location05-SBT-101-R4.25
RouteU.S. Route 101
Coordinates36.87582, -121.56939
Functional classRural Principal Arterial - Other

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.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length134 ft (40.8 m)
Longest span131 ft (39.8 m)
Deck width56 ft (17.1 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,000 (2011)
Projected traffic44,387 by 2042
Trucks0%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US Highway 101 SB over Anzar Road built?

It was built in 1972, making it 53 years old in 2025.

What condition is US Highway 101 SB over Anzar Road 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 April 2024.

How much traffic does US Highway 101 SB over Anzar Road carry?

About 32,000 vehicles per day (2011 count).

How long is US Highway 101 SB over Anzar Road?

The structure is 134 ft (40.8 m) long with a longest span of 131 ft (39.8 m) and a deck 56 ft wide.

Who owns US Highway 101 SB over Anzar Road?

It is owned by the State Highway Agency.