US Bridges

Anzar Road over San Juan Creek

Fair

San Benito County, California · 0.35 MI W San Juan HWY R · Structure no. 43C0039

Built
1935
90 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
39 ft
2 main spans
Daily traffic
1,464
2010 count
Owner
County
County Highway Agency

About this bridge

Anzar Road over San Juan Creek is a concrete continuous slab carrying Anzar Road over San Juan Creek in San Benito County, California. It was built in 1935, so it is 90 years old, older 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 1,464 vehicles a day, roughly 10% of them trucks, projected to reach 1,699 by 2047. The structure is 39 ft (12 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAnzar Road
CrossesSan Juan Creek
Location0.35 MI W San Juan HWY R
RouteCounty Highway 0
Coordinates36.87541, -121.56137
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.3 US tons
Inventory rating18.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length39 ft (12 m)
Longest span18 ft (5.6 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,464 (2010)
Projected traffic1,699 by 2047
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Anzar Road over San Juan Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is Anzar Road over San Juan Creek 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 January 2025.

How much traffic does Anzar Road over San Juan Creek carry?

About 1,464 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Anzar Road over San Juan Creek?

The structure is 39 ft (12 m) long with a longest span of 18 ft (5.6 m) and a deck 21 ft wide.

Who owns Anzar Road over San Juan Creek?

It is owned by the County Highway Agency.