US Bridges

Hammond Hollow RD over Ashuelot River

Fair

Cheshire County, New Hampshire · Town RD · Structure no. 009300750012100

Built
1981
44 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
97 ft
1 main span
Daily traffic
137
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hammond Hollow RD over Ashuelot River is a steel stringer/multi-beam or girder carrying Hammond Hollow RD over Ashuelot River in Cheshire County, New Hampshire. It was built in 1981, so it is 44 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 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.

It carries about 137 vehicles a day, roughly 4% of them trucks, projected to reach 202 by 2043. The structure is 97 ft (29.6 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesHammond Hollow RD
CrossesAshuelot River
LocationTown RD
CountyCheshire County
StateNew Hampshire
Coordinates43.04299, -72.28441
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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length97 ft (29.6 m)
Longest span92 ft (28 m)
Deck width31 ft (9.3 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic137 (2023)
Projected traffic202 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 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 Hammond Hollow RD over Ashuelot River built?

It was built in 1981, making it 44 years old in 2025.

What condition is Hammond Hollow RD 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 2023.

How much traffic does Hammond Hollow RD over Ashuelot River carry?

About 137 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Hammond Hollow RD over Ashuelot River?

The structure is 97 ft (29.6 m) long with a longest span of 92 ft (28 m) and a deck 31 ft wide.

Who owns Hammond Hollow RD over Ashuelot River?

It is owned by the City or Municipal Highway Agency.