US Bridges

State Route 1 over Hillside Above Ocean

Good

Monterey County, California · 05-MON-001-20.69 · Structure no. 44 0246

Built
1985
40 years old
Condition
Good
inspected February 2023
Type
Slab
Prestressed Concrete
Length
160 ft
4 main spans
Daily traffic
2,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 1 over Hillside Above Ocean is a prestressed concrete slab carrying State Route 1 over Hillside Above Ocean in Monterey County, California. It was built in 1985, so it is 40 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,000 vehicles a day, projected to reach 2,775 by 2045. The structure is 160 ft (48.8 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesState Route 1
CrossesHillside Above Ocean
Location05-MON-001-20.69
RouteState Highway 1
Coordinates36.00789, -121.51402
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width16 ft (4.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2009)
Projected traffic2,775 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

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 State Route 1 over Hillside Above Ocean built?

It was built in 1985, making it 40 years old in 2025.

What condition is State Route 1 over Hillside Above Ocean in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does State Route 1 over Hillside Above Ocean carry?

About 2,000 vehicles per day (2009 count).

How long is State Route 1 over Hillside Above Ocean?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 16 ft wide.

Who owns State Route 1 over Hillside Above Ocean?

It is owned by the State Highway Agency.