US Bridges

Larkin ST over Hartnell Gulch

Fair

Monterey County, California · 0.05 MI S Madison ST · Structure no. 44C0082

Built
1914
111 years old, rebuilt 2007
Condition
Fair
inspected June 2024
Type
Arch - Deck
Concrete
Length
108 ft
1 main span
Daily traffic
3,000
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

Larkin ST over Hartnell Gulch is a concrete arch - deck carrying Larkin ST over Hartnell Gulch in Monterey County, California. It was built in 1914 and reconstructed in 2007, so it is 111 years old, older 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 3,000 vehicles a day, roughly 3% of them trucks, projected to reach 6,141 by 2046. The structure is 108 ft (32.9 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesLarkin ST
CrossesHartnell Gulch
Location0.05 MI S Madison ST
RouteCity Street 0
Coordinates36.59628, -121.90028
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.1 US tons
Inventory rating16.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length108 ft (32.9 m)
Longest span61 ft (18.7 m)
Deck width35 ft (10.8 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2008)
Projected traffic6,141 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Larkin ST over Hartnell Gulch built?

It was built in 1914, making it 111 years old in 2025. It was reconstructed in 2007.

What condition is Larkin ST over Hartnell Gulch 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 June 2024.

How much traffic does Larkin ST over Hartnell Gulch carry?

About 3,000 vehicles per day (2008 count), of which roughly 3% are trucks.

How long is Larkin ST over Hartnell Gulch?

The structure is 108 ft (32.9 m) long with a longest span of 61 ft (18.7 m) and a deck 35 ft wide.

Who owns Larkin ST over Hartnell Gulch?

It is owned by the City or Municipal Highway Agency.