US Bridges

NH101 over Pulpit Brook

Good

Hillsborough County, New Hampshire · .1 Mile from Amherst Tl · Structure no. 001900910006500

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
19,233
2023 count
Owner
State
State Highway Agency

About this bridge

NH101 over Pulpit Brook is a prestressed concrete box beam or girders - multiple carrying NH101 over Pulpit Brook in Hillsborough County, New Hampshire. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 19,233 vehicles a day, roughly 7% of them trucks, projected to reach 28,464 by 2043. The structure is 53 ft (16.2 m) long and 55 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNH101
CrossesPulpit Brook
Location.1 Mile from Amherst Tl
RouteState Highway 101
CountyHillsborough County
StateNew Hampshire
Coordinates42.90593, -71.56972
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length53 ft (16.2 m)
Longest span48 ft (14.6 m)
Deck width55 ft (16.8 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,233 (2023)
Projected traffic28,464 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 NH101 over Pulpit Brook built?

It was built in 2023, making it 2 years old in 2025.

What condition is NH101 over Pulpit 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 October 2023.

How much traffic does NH101 over Pulpit Brook carry?

About 19,233 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is NH101 over Pulpit Brook?

The structure is 53 ft (16.2 m) long with a longest span of 48 ft (14.6 m) and a deck 55 ft wide.

Who owns NH101 over Pulpit Brook?

It is owned by the State Highway Agency.