US Bridges

Simondsville Road over Ashuelot River

Fair

Cheshire County, New Hampshire · 0.3 Mi. Rte. 10 · Structure no. 016401160010600

Built
1969
56 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
102
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Simondsville Road over Ashuelot River is a prestressed concrete slab carrying Simondsville Road over Ashuelot River in Cheshire County, New Hampshire. It was built in 1969, so it is 56 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 102 vehicles a day, roughly 4% of them trucks, projected to reach 150 by 2043. The structure is 46 ft (14 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSimondsville Road
CrossesAshuelot River
Location0.3 Mi. Rte. 10
Coordinates43.12688, -72.1946
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.4 US tons
Inventory rating32.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length46 ft (14 m)
Longest span44 ft (13.4 m)
Deck width28 ft (8.5 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102 (2023)
Projected traffic150 by 2043
Trucks4%
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

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 Simondsville Road over Ashuelot River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Simondsville Road 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 Simondsville Road over Ashuelot River carry?

About 102 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Simondsville Road over Ashuelot River?

The structure is 46 ft (14 m) long with a longest span of 44 ft (13.4 m) and a deck 28 ft wide.

Who owns Simondsville Road over Ashuelot River?

It is owned by the City or Municipal Highway Agency.