US Bridges

Mcgowan Road over Pajaro River

Fair

Monterey County, California · 0.5 MI S Beach RD · Structure no. 44C0002

Built
1992
33 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
470 ft
4 main spans
Daily traffic
1,500
2016 count
Owner
County
County Highway Agency

About this bridge

Mcgowan Road over Pajaro River is a prestressed concrete continuous box beam or girders - multiple carrying Mcgowan Road over Pajaro River in Monterey County, California. It was built in 1992, so it is 33 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 1,500 vehicles a day, roughly 40% of them trucks, projected to reach 844 by 2040. The structure is 470 ft (143.3 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMcgowan Road
CrossesPajaro River
Location0.5 MI S Beach RD
RouteCounty Highway 0
Coordinates36.87941, -121.79282
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 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 alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length470 ft (143.3 m)
Longest span140 ft (42.7 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2016)
Projected traffic844 by 2040
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Mcgowan Road over Pajaro River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Mcgowan Road over Pajaro River 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 August 2023.

How much traffic does Mcgowan Road over Pajaro River carry?

About 1,500 vehicles per day (2016 count), of which roughly 40% are trucks.

How long is Mcgowan Road over Pajaro River?

The structure is 470 ft (143.3 m) long with a longest span of 140 ft (42.7 m) and a deck 33 ft wide.

Who owns Mcgowan Road over Pajaro River?

It is owned by the County Highway Agency.