US Bridges

Chesham Road over Minnewawa Brook

Good

Cheshire County, New Hampshire · .91 Mi. NE Dublin Tl · Structure no. 011500620006800

Built
1953
72 years old, rebuilt 2015
Condition
Good
inspected May 2024
Type
Frame
Concrete
Length
22 ft
1 main span
Daily traffic
1,014
2023 count
Owner
State
State Highway Agency

About this bridge

Chesham Road over Minnewawa Brook is a concrete frame carrying Chesham Road over Minnewawa Brook in Cheshire County, New Hampshire. It was built in 1953 and reconstructed in 2015, so it is 72 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 1,014 vehicles a day, projected to reach 1,500 by 2043. The structure is 22 ft (6.7 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesChesham Road
CrossesMinnewawa Brook
Location.91 Mi. NE Dublin Tl
RouteState Highway 0
CountyCheshire County
StateNew Hampshire
Coordinates42.93398, -72.14589
Functional classRural Minor 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.6 US tons
Inventory rating47.5 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,014 (2023)
Projected traffic1,500 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Chesham Road over Minnewawa Brook built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2015.

What condition is Chesham Road 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 2024.

How much traffic does Chesham Road over Minnewawa Brook carry?

About 1,014 vehicles per day (2023 count).

How long is Chesham Road over Minnewawa Brook?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 37 ft wide.

Who owns Chesham Road over Minnewawa Brook?

It is owned by the State Highway Agency.