US Bridges

Lewis Road over Ashuelot River

Poor

Cheshire County, New Hampshire · 50 Ft JCT Nh 10 · Structure no. 016401040003900

Built
1960
65 years old, rebuilt 1992
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
3 main spans
Daily traffic
96
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lewis Road over Ashuelot River is a steel stringer/multi-beam or girder carrying Lewis Road over Ashuelot River in Cheshire County, New Hampshire. It was built in 1960 and reconstructed in 1992, so it is 65 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 96 vehicles a day, projected to reach 142 by 2043. The structure is 74 ft (22.6 m) long and 14 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesLewis Road
CrossesAshuelot River
Location50 Ft JCT Nh 10
CountyCheshire County
StateNew Hampshire
Coordinates43.0784, -72.21138
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 16 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating28.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans3
Design loadUnknown
Structure length74 ft (22.6 m)
Longest span29 ft (8.8 m)
Deck width14 ft (4.3 m)
Roadway width9 ft (2.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2023)
Projected traffic142 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Lewis Road over Ashuelot River built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1992.

What condition is Lewis Road over Ashuelot River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Lewis Road over Ashuelot River carry?

About 96 vehicles per day (2023 count).

How long is Lewis Road over Ashuelot River?

The structure is 74 ft (22.6 m) long with a longest span of 29 ft (8.8 m) and a deck 14 ft wide.

Who owns Lewis Road over Ashuelot River?

It is owned by the City or Municipal Highway Agency.