US Bridges

NH101 over Minnewawa Brook

Good

Cheshire County, New Hampshire · 2.8 MI FM Harrisville Tl · Structure no. 016300800012600

Built
1986
39 years old
Condition
Good
inspected May 2023
Type
Frame
Concrete
Length
58 ft
1 main span
Daily traffic
7,333
2023 count
Owner
State
State Highway Agency

About this bridge

NH101 over Minnewawa Brook is a concrete frame carrying NH101 over Minnewawa Brook in Cheshire County, New Hampshire. It was built in 1986, so it is 39 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 7,333 vehicles a day, roughly 7% of them trucks, projected to reach 10,852 by 2043. The structure is 58 ft (17.7 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNH101
CrossesMinnewawa Brook
Location2.8 MI FM Harrisville Tl
RouteState Highway 101
Coordinates42.90492, -72.20172
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 rating99 US tons
Inventory rating65.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length58 ft (17.7 m)
Longest span50 ft (15.2 m)
Deck width56 ft (17.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,333 (2023)
Projected traffic10,852 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Minnewawa Brook built?

It was built in 1986, making it 39 years old in 2025.

What condition is NH101 over Minnewawa 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 May 2023.

How much traffic does NH101 over Minnewawa Brook carry?

About 7,333 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is NH101 over Minnewawa Brook?

The structure is 58 ft (17.7 m) long with a longest span of 50 ft (15.2 m) and a deck 56 ft wide.

Who owns NH101 over Minnewawa Brook?

It is owned by the State Highway Agency.