US Bridges

Milpitas Road over N Fk San Antonio Creek

Fair

Monterey County, California · 15 MI NW Mission Road · Structure no. 44C0014

Built
1945
80 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
92 ft
3 main spans
Daily traffic
20
2016 count
Owner
County
County Highway Agency

About this bridge

Milpitas Road over N Fk San Antonio Creek is a steel stringer/multi-beam or girder carrying Milpitas Road over N Fk San Antonio Creek in Monterey County, California. It was built in 1945, so it is 80 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 20 vehicles a day, roughly 2% of them trucks, projected to reach 30 by 2041. The structure is 92 ft (28.1 m) long and 14 ft wide. If it were closed, the detour would be 65.2 mi (105 km).

Location

Open in Google Maps
CarriesMilpitas Road
CrossesN Fk San Antonio Creek
Location15 MI NW Mission Road
RouteCounty Highway 0
CountyMonterey County
StateCalifornia
Coordinates36.09911, -121.44014
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 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
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.3 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length92 ft (28.1 m)
Longest span30 ft (9.1 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2016)
Projected traffic30 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed65.2 mi (105 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 Milpitas Road over N Fk San Antonio Creek built?

It was built in 1945, making it 80 years old in 2025.

What condition is Milpitas Road over N Fk San Antonio 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 April 2024.

How much traffic does Milpitas Road over N Fk San Antonio Creek carry?

About 20 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Milpitas Road over N Fk San Antonio Creek?

The structure is 92 ft (28.1 m) long with a longest span of 30 ft (9.1 m) and a deck 14 ft wide.

Who owns Milpitas Road over N Fk San Antonio Creek?

It is owned by the County Highway Agency.