US Bridges

Reservoir Drive over Piscataquog River

Good

Hillsborough County, New Hampshire · 73 Ft FR Paige Hill Road · Structure no. 026700700015300

Built
1993
32 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
118 ft
1 main span
Daily traffic
2,048
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 1993, so it is 32 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 2,048 vehicles a day, roughly 4% of them trucks, projected to reach 3,031 by 2043. The structure is 118 ft (36 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
Location73 Ft FR Paige Hill Road
CountyHillsborough County
StateNew Hampshire
Coordinates43.10889, -71.76204
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 protection9 ExcellentNo 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating92 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length118 ft (36 m)
Longest span108 ft (32.9 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,048 (2023)
Projected traffic3,031 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 1993, making it 32 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 2,048 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Reservoir Drive over Piscataquog River?

The structure is 118 ft (36 m) long with a longest span of 108 ft (32.9 m) and a deck 30 ft wide.

Who owns Reservoir Drive over Piscataquog River?

It is owned by the City or Municipal Highway Agency.