US Bridges

New Road over Melvin River

Fair

Carroll County, New Hampshire · 0.8 MI from Nh RTE 109 · Structure no. 025901330007400

Built
1940
85 years old
Condition
Fair
inspected August 2023
Type
Frame
Concrete
Length
22 ft
1 main span
Daily traffic
244
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

New Road over Melvin River is a concrete frame carrying New Road over Melvin River in Carroll County, New Hampshire. It was built in 1940, so it is 85 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 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 244 vehicles a day, roughly 4% of them trucks, projected to reach 361 by 2043. The structure is 22 ft (6.7 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNew Road
CrossesMelvin River
Location0.8 MI from Nh RTE 109
CountyCarroll County
StateNew Hampshire
Coordinates43.69717, -71.29792
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 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 rating37 US tons
Inventory rating23 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic244 (2023)
Projected traffic361 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 New Road over Melvin River built?

It was built in 1940, making it 85 years old in 2025.

What condition is New Road over Melvin River 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 New Road over Melvin River carry?

About 244 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is New Road over Melvin River?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns New Road over Melvin River?

It is owned by the City or Municipal Highway Agency.