US Bridges

Hebert RD over Gabilan Creek

Fair

Monterey County, California · 0.4 MI E San Juan Grade R · Structure no. 44C0080

Built
1975
50 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
66 ft
3 main spans
Daily traffic
5,900
2016 count
Owner
County
County Highway Agency

About this bridge

Hebert RD over Gabilan Creek is a concrete continuous slab carrying Hebert RD over Gabilan Creek in Monterey County, California. It was built in 1975, so it is 50 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 5 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 5,900 vehicles a day, roughly 5% of them trucks, projected to reach 8,541 by 2040. The structure is 66 ft (20 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesHebert RD
CrossesGabilan Creek
Location0.4 MI E San Juan Grade R
RouteCounty Highway 0
CountyMonterey County
StateCalifornia
Coordinates36.75577, -121.61024
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating47.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length66 ft (20 m)
Longest span26 ft (7.8 m)
Deck width41 ft (12.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,900 (2016)
Projected traffic8,541 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Hebert RD over Gabilan Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Hebert RD over Gabilan 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 Hebert RD over Gabilan Creek carry?

About 5,900 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Hebert RD over Gabilan Creek?

The structure is 66 ft (20 m) long with a longest span of 26 ft (7.8 m) and a deck 41 ft wide.

Who owns Hebert RD over Gabilan Creek?

It is owned by the County Highway Agency.