US Bridges

Las Casitas ST over Natividad Creek

Fair

Monterey County, California · 0.2 Mi. SE Constitution · Structure no. 44C0201

Built
1986
39 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
5,076
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Las Casitas ST over Natividad Creek is a concrete continuous culvert carrying Las Casitas ST over Natividad Creek in Monterey County, California. It was built in 1986, so it is 39 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 5,076 vehicles a day, projected to reach 10,168 by 2040. The structure is 25 ft (7.6 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLas Casitas ST
CrossesNatividad Creek
Location0.2 Mi. SE Constitution
RouteCity Street 0
CountyMonterey County
StateCalifornia
Coordinates36.69592, -121.61381
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,076 (2011)
Projected traffic10,168 by 2040
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Las Casitas ST over Natividad Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Las Casitas ST over Natividad Creek 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 August 2023.

How much traffic does Las Casitas ST over Natividad Creek carry?

About 5,076 vehicles per day (2011 count).

How long is Las Casitas ST over Natividad Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 52 ft wide.

Who owns Las Casitas ST over Natividad Creek?

It is owned by the City or Municipal Highway Agency.