US Bridges

Murphy Road over Pajaro River

Fair

Monterey County, California · 1.2 KM S SR 129 · Structure no. 44C0178

Built
1998
27 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
89 ft
3 main spans
Daily traffic
4,600
2017 count
Owner
County
County Highway Agency

About this bridge

Murphy Road over Pajaro River is a concrete continuous slab carrying Murphy Road over Pajaro River in Monterey County, California. It was built in 1998, so it is 27 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 4,600 vehicles a day, roughly 2% of them trucks, projected to reach 8,000 by 2040. The structure is 89 ft (27.2 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMurphy Road
CrossesPajaro River
Location1.2 KM S SR 129
RouteCounty Highway 0
Coordinates36.90573, -121.67661
Functional classUrban 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length89 ft (27.2 m)
Longest span35 ft (10.7 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2017)
Projected traffic8,000 by 2040
Trucks2%
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 byOther Local 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 Murphy Road over Pajaro River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Murphy 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 Murphy Road over Pajaro River carry?

About 4,600 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Murphy Road over Pajaro River?

The structure is 89 ft (27.2 m) long with a longest span of 35 ft (10.7 m) and a deck 34 ft wide.

Who owns Murphy Road over Pajaro River?

It is owned by the County Highway Agency and maintained by the Other Local Agency.