US Bridges

Reservoir Drive over Piscataquog River

Good

Hillsborough County, New Hampshire · 0.10 MI FR Page Hill RD · Structure no. 026700600015600

Built
1994
31 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
97 ft
1 main span
Daily traffic
1,371
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Reservoir Drive over Piscataquog River is a steel stringer/multi-beam or girder carrying Reservoir Drive over Piscataquog River in Hillsborough County, New Hampshire. It was built in 1994, so it is 31 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 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 1,371 vehicles a day, roughly 4% of them trucks, projected to reach 2,029 by 2043. The structure is 97 ft (29.6 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesReservoir Drive
CrossesPiscataquog River
Location0.10 MI FR Page Hill RD
CountyHillsborough County
StateNew Hampshire
Coordinates43.10817, -71.77053
Functional classRural Local

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.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating97 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length97 ft (29.6 m)
Longest span92 ft (28 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,371 (2023)
Projected traffic2,029 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for 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 Reservoir Drive over Piscataquog River built?

It was built in 1994, making it 31 years old in 2025.

What condition is Reservoir Drive over Piscataquog River 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 August 2023.

How much traffic does Reservoir Drive over Piscataquog River carry?

About 1,371 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Reservoir Drive over Piscataquog River?

The structure is 97 ft (29.6 m) long with a longest span of 92 ft (28 m) and a deck 30 ft wide.

Who owns Reservoir Drive over Piscataquog River?

It is owned by the City or Municipal Highway Agency.