US Bridges

State Route 1 SB over Access Road

Good

Monterey County, California · 05-MON-001-R87.65 · Structure no. 44 0214L

Built
1976
49 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
297 ft
2 main spans
Daily traffic
23,500
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 1 SB over Access Road is a prestressed concrete continuous box beam or girders - multiple carrying State Route 1 SB over Access Road in Monterey County, California. It was built in 1976, so it is 49 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 23,500 vehicles a day, roughly 8% of them trucks, projected to reach 26,387 by 2043. The structure is 297 ft (90.6 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesState Route 1 SB
CrossesAccess Road
Location05-MON-001-R87.65
RouteState Highway 1
Coordinates36.71184, -121.79646
Functional classRural Principal Arterial - Other

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length297 ft (90.6 m)
Longest span156 ft (47.6 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,500 (2009)
Projected traffic26,387 by 2043
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
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 SB over Access Road built?

It was built in 1976, making it 49 years old in 2025.

What condition is State Route 1 SB over Access Road 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 August 2023.

How much traffic does State Route 1 SB over Access Road carry?

About 23,500 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is State Route 1 SB over Access Road?

The structure is 297 ft (90.6 m) long with a longest span of 156 ft (47.6 m) and a deck 41 ft wide.

Who owns State Route 1 SB over Access Road?

It is owned by the State Highway Agency.