US Bridges

NH101 over Minnewawa Brook

Good

Cheshire County, New Hampshire · 3.0MI Harrisville Tl. · Structure no. 016300760012200

Built
1967
58 years old
Condition
Good
inspected May 2023
Type
Frame
Concrete
Length
53 ft
1 main span
Daily traffic
11,056
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 1967, so it is 58 years old, older 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 11,056 vehicles a day, roughly 7% of them trucks, projected to reach 16,362 by 2043. The structure is 53 ft (16.2 m) long and 75 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNH101
CrossesMinnewawa Brook
Location3.0MI Harrisville Tl.
RouteState Highway 101
Coordinates42.90329, -72.20725
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.
Substructure7 GoodSome minor problems.
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.7 US tons
Inventory rating52.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span46 ft (14 m)
Deck width75 ft (22.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,056 (2023)
Projected traffic16,362 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

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 NH101 over Minnewawa Brook built?

It was built in 1967, making it 58 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 11,056 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is NH101 over Minnewawa Brook?

The structure is 53 ft (16.2 m) long with a longest span of 46 ft (14 m) and a deck 75 ft wide.

Who owns NH101 over Minnewawa Brook?

It is owned by the State Highway Agency.