US Bridges

Marlboro Road over Farrar Pond

Fair

Cheshire County, New Hampshire · .59 Mi. S. Marlborough Tl · Structure no. 025800970010800

Built
1933
92 years old
Condition
Fair
inspected June 2023
Type
Frame
Concrete
Length
23 ft
1 main span
Daily traffic
609
2023 count
Owner
State
State Highway Agency

About this bridge

Marlboro Road over Farrar Pond is a concrete frame carrying Marlboro Road over Farrar Pond in Cheshire County, New Hampshire. It was built in 1933, so it is 92 years old, older than the New Hampshire average of 56.9 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 609 vehicles a day, roughly 4% of them trucks, projected to reach 901 by 2043. The structure is 23 ft (7 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMarlboro Road
CrossesFarrar Pond
Location.59 Mi. S. Marlborough Tl
RouteState Highway 0
Coordinates42.84089, -72.18459
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating23 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic609 (2023)
Projected traffic901 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$314,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Marlboro Road over Farrar Pond built?

It was built in 1933, making it 92 years old in 2025.

What condition is Marlboro Road over Farrar Pond 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 2023.

How much traffic does Marlboro Road over Farrar Pond carry?

About 609 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Marlboro Road over Farrar Pond?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns Marlboro Road over Farrar Pond?

It is owned by the State Highway Agency.