US Bridges

Warmac Road over Perry Brook

Good

Cheshire County, New Hampshire · 0.83MI RTE 32 · Structure no. 025101350006800

Built
2013
12 years old
Condition
Good
inspected August 2024
Type
Frame
Concrete
Length
33 ft
1 main span
Daily traffic
96
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Warmac Road over Perry Brook is a concrete frame carrying Warmac Road over Perry Brook in Cheshire County, New Hampshire. It was built in 2013, so it is 12 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 96 vehicles a day, roughly 4% of them trucks, projected to reach 142 by 2043. The structure is 33 ft (10 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesWarmac Road
CrossesPerry Brook
Location0.83MI RTE 32
CountyCheshire County
StateNew Hampshire
Coordinates42.83202, -72.28784
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating80.6 US tons
Inventory rating48.3 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length33 ft (10 m)
Longest span31 ft (9.3 m)
Deck width38 ft (11.6 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2023)
Projected traffic142 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
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 Warmac Road over Perry Brook built?

It was built in 2013, making it 12 years old in 2025.

What condition is Warmac Road over Perry Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Warmac Road over Perry Brook carry?

About 96 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Warmac Road over Perry Brook?

The structure is 33 ft (10 m) long with a longest span of 31 ft (9.3 m) and a deck 38 ft wide.

Who owns Warmac Road over Perry Brook?

It is owned by the City or Municipal Highway Agency.