US Bridges

State Route 1 NB over Casa Verde Ave

Good

Monterey County, California · 05-MON-001-R78.45-MON · Structure no. 44 0187R

Built
1968
57 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
94 ft
1 main span
Daily traffic
29,500
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 1 NB over Casa Verde Ave is a prestressed concrete box beam or girders - multiple carrying State Route 1 NB over Casa Verde Ave in Monterey County, California. It was built in 1968, so it is 57 years old, older 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 29,500 vehicles a day, roughly 4% of them trucks, projected to reach 47,874 by 2043. The structure is 94 ft (28.7 m) long and 39 ft wide.

Location

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CarriesState Route 1 NB
CrossesCasa Verde Ave
Location05-MON-001-R78.45-MON
RouteState Highway 1
CountyMonterey County
StateCalifornia
Coordinates36.59875, -121.86447
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 rating49.3 US tons
Inventory rating28.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length94 ft (28.7 m)
Longest span92 ft (28 m)
Deck width39 ft (11.9 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,500 (2009)
Projected traffic47,874 by 2043
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 NB over Casa Verde Ave built?

It was built in 1968, making it 57 years old in 2025.

What condition is State Route 1 NB over Casa Verde Ave 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 July 2023.

How much traffic does State Route 1 NB over Casa Verde Ave carry?

About 29,500 vehicles per day (2009 count), of which roughly 4% are trucks.

How long is State Route 1 NB over Casa Verde Ave?

The structure is 94 ft (28.7 m) long with a longest span of 92 ft (28 m) and a deck 39 ft wide.

Who owns State Route 1 NB over Casa Verde Ave?

It is owned by the State Highway Agency.