US Bridges

Nh 63 over Partridge Brook

Fair

Cheshire County, New Hampshire · 2.0 MI FM Chesterfield Tl · Structure no. 027201110007200

Built
1969
56 years old
Condition
Fair
inspected June 2024
Type
Frame
Concrete
Length
24 ft
1 main span
Daily traffic
1,618
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 63 over Partridge Brook is a concrete frame carrying Nh 63 over Partridge Brook in Cheshire County, New Hampshire. It was built in 1969, so it is 56 years old, younger 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 1,618 vehicles a day, roughly 4% of them trucks, projected to reach 2,394 by 2043. The structure is 24 ft (7.3 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNh 63
CrossesPartridge Brook
Location2.0 MI FM Chesterfield Tl
RouteState Highway 63
CountyCheshire County
StateNew Hampshire
Coordinates42.95476, -72.44409
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating40.5 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width27 ft (8.2 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,618 (2023)
Projected traffic2,394 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

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 Nh 63 over Partridge Brook built?

It was built in 1969, making it 56 years old in 2025.

What condition is Nh 63 over Partridge Brook 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 Nh 63 over Partridge Brook carry?

About 1,618 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Nh 63 over Partridge Brook?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 27 ft wide.

Who owns Nh 63 over Partridge Brook?

It is owned by the State Highway Agency.