US Bridges

NH124 over Minnewawa Brook

Good

Cheshire County, New Hampshire · 0.1 Mi. from Jct. Nh 101 · Structure no. 016300770012200

Built
1967
58 years old
Condition
Good
inspected May 2023
Type
Frame
Concrete
Length
34 ft
1 main span
Daily traffic
4,006
2023 count
Owner
State
State Highway Agency

About this bridge

NH124 over Minnewawa Brook is a concrete frame carrying NH124 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 4,006 vehicles a day, roughly 10% of them trucks, projected to reach 5,928 by 2043. The structure is 34 ft (10.4 m) long and 41 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNH124
CrossesMinnewawa Brook
Location0.1 Mi. from Jct. Nh 101
RouteState Highway 124
Coordinates42.90303, -72.20586
Functional classUrban Collector

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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.8 US tons
Inventory rating36.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span30 ft (9.1 m)
Deck width41 ft (12.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,006 (2023)
Projected traffic5,928 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

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 NH124 over Minnewawa Brook built?

It was built in 1967, making it 58 years old in 2025.

What condition is NH124 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 NH124 over Minnewawa Brook carry?

About 4,006 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NH124 over Minnewawa Brook?

The structure is 34 ft (10.4 m) long with a longest span of 30 ft (9.1 m) and a deck 41 ft wide.

Who owns NH124 over Minnewawa Brook?

It is owned by the State Highway Agency.