US Bridges

Perkins Pond Road over Peacock Brook

Good

Hillsborough County, New Hampshire · 100 Yds South JCT NH149 · Structure no. 026700750007000

Built
1998
27 years old
Condition
Good
inspected August 2023
Type
Slab
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
96
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Perkins Pond Road over Peacock Brook is a prestressed concrete slab carrying Perkins Pond Road over Peacock Brook in Hillsborough County, New Hampshire. It was built in 1998, so it is 27 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 7 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 34 ft (10.4 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPerkins Pond Road
CrossesPeacock Brook
Location100 Yds South JCT NH149
RouteCity Street 0
Coordinates43.05178, -71.74074
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.4 US tons
Inventory rating54.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length34 ft (10.4 m)
Longest span29 ft (8.8 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 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 closed1.9 mi (3 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 Perkins Pond Road over Peacock Brook built?

It was built in 1998, making it 27 years old in 2025.

What condition is Perkins Pond Road over Peacock 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 2023.

How much traffic does Perkins Pond Road over Peacock Brook carry?

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

How long is Perkins Pond Road over Peacock Brook?

The structure is 34 ft (10.4 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.

Who owns Perkins Pond Road over Peacock Brook?

It is owned by the City or Municipal Highway Agency.