US Bridges

State Route 1 over Sycamore Draw

Fair

Monterey County, California · 05-MON-001-39.28 · Structure no. 44 0047

Built
1981
44 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete Continuous
Length
60 ft
3 main spans
Daily traffic
5,000
2010 count
Owner
State
State Highway Agency

About this bridge

State Route 1 over Sycamore Draw is a concrete continuous slab carrying State Route 1 over Sycamore Draw in Monterey County, California. It was built in 1981, so it is 44 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 6 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 5,000 vehicles a day, roughly 1% of them trucks, projected to reach 7,773 by 2043. The structure is 60 ft (18.4 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesState Route 1
CrossesSycamore Draw
Location05-MON-001-39.28
RouteState Highway 1
CountyMonterey County
StateCalifornia
Coordinates36.19074, -121.70769
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102.5 US tons
Inventory rating61.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length60 ft (18.4 m)
Longest span25 ft (7.7 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2010)
Projected traffic7,773 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 1 over Sycamore Draw built?

It was built in 1981, making it 44 years old in 2025.

What condition is State Route 1 over Sycamore Draw 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 February 2023.

How much traffic does State Route 1 over Sycamore Draw carry?

About 5,000 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is State Route 1 over Sycamore Draw?

The structure is 60 ft (18.4 m) long with a longest span of 25 ft (7.7 m) and a deck 35 ft wide.

Who owns State Route 1 over Sycamore Draw?

It is owned by the State Highway Agency.