US Bridges

Main Street over Ashuelot River

FairPosted for load

Cheshire County, New Hampshire · 340 Ft from Winchester S · Structure no. 025100930012400

Built
1832
193 years old, rebuilt 1993
Condition
Fair
inspected August 2024
Type
Truss - Thru
Wood or Timber
Length
152 ft
2 main spans
Daily traffic
2,191
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main Street over Ashuelot River is a wood or timber truss - thru carrying Main Street over Ashuelot River in Cheshire County, New Hampshire. It was built in 1832 and reconstructed in 1993, so it is 193 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 2,191 vehicles a day, roughly 4% of them trucks, projected to reach 3,242 by 2043. The structure is 152 ft (46.3 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMain Street
CrossesAshuelot River
Location340 Ft from Winchester S
RouteCity Street 0
Coordinates42.8719, -72.32789
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating5 US tons
Inventory rating3 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length152 ft (46.3 m)
Longest span64 ft (19.5 m)
Deck width18 ft (5.4 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deck8 ft (2.6 m)

Traffic and service

Average daily traffic2,191 (2023)
Projected traffic3,242 by 2043
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusListed on 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 Main Street over Ashuelot River built?

It was built in 1832, making it 193 years old in 2025. It was reconstructed in 1993.

What condition is Main Street over Ashuelot River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Main Street over Ashuelot River carry?

About 2,191 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Main Street over Ashuelot River?

The structure is 152 ft (46.3 m) long with a longest span of 64 ft (19.5 m) and a deck 18 ft wide.

Who owns Main Street over Ashuelot River?

It is owned by the City or Municipal Highway Agency.