US Bridges

State Route 1 over Prewitt Creek

Good

Monterey County, California · 05-MON-001-14.93 · Structure no. 44 0064

Built
1948
77 years old, rebuilt 1985
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
156 ft
3 main spans
Daily traffic
2,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 1 over Prewitt Creek is a concrete continuous box beam or girders - multiple carrying State Route 1 over Prewitt Creek in Monterey County, California. It was built in 1948 and reconstructed in 1985, so it is 77 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 2,000 vehicles a day, projected to reach 2,775 by 2045. The structure is 156 ft (47.7 m) long and 39 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesState Route 1
CrossesPrewitt Creek
Location05-MON-001-14.93
RouteState Highway 1
Coordinates35.93618, -121.46974
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20 + Mod
Structure length156 ft (47.7 m)
Longest span56 ft (17.1 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 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
CrossesWaterway
Detour if closed24.9 mi (40 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 1 over Prewitt Creek built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1985.

What condition is State Route 1 over Prewitt Creek 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 Prewitt Creek carry?

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

How long is State Route 1 over Prewitt Creek?

The structure is 156 ft (47.7 m) long with a longest span of 56 ft (17.1 m) and a deck 39 ft wide.

Who owns State Route 1 over Prewitt Creek?

It is owned by the State Highway Agency.