US Bridges

US Highway 101 NB over Anzar Road

Fair

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

Built
1972
53 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
126 ft
1 main span
Daily traffic
25,500
2009 count
Owner
State
State Highway Agency

About this bridge

US Highway 101 NB over Anzar Road is a prestressed concrete box beam or girders - multiple carrying US Highway 101 NB 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 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 25,500 vehicles a day, roughly 17% of them trucks, projected to reach 44,085 by 2042. The structure is 126 ft (38.4 m) long and 44 ft wide.

CarriesUS Highway 101 NB
CrossesAnzar Road
Location05-SBT-101-R4.25
RouteU.S. Route 101
Coordinates36.87574, -121.56919
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length126 ft (38.4 m)
Longest span122 ft (37.3 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,500 (2009)
Projected traffic44,085 by 2042
Trucks17%
Lanes on structure2
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 NB over Anzar Road built?

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

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

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

About 25,500 vehicles per day (2009 count), of which roughly 17% are trucks.

How long is US Highway 101 NB over Anzar Road?

The structure is 126 ft (38.4 m) long with a longest span of 122 ft (37.3 m) and a deck 44 ft wide.

Who owns US Highway 101 NB over Anzar Road?

It is owned by the State Highway Agency.