US Bridges

Second Street over Piscataquog (south Br)

Good

Hillsborough County, New Hampshire · 0.2 MI N Queen City Brdge · Structure no. 016101420006500

Built
1991
34 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
130 ft
1 main span
Daily traffic
5,707
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Second Street over Piscataquog (south Br) is a steel stringer/multi-beam or girder carrying Second Street over Piscataquog (south Br) in Hillsborough County, New Hampshire. It was built in 1991, so it is 34 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 5,707 vehicles a day, roughly 5% of them trucks, projected to reach 8,446 by 2043. The structure is 130 ft (39.6 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSecond Street
CrossesPiscataquog (south Br)
Location0.2 MI N Queen City Brdge
RouteCity Street 0
Coordinates42.97777, -71.47354
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.2 US tons
Inventory rating52.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length130 ft (39.6 m)
Longest span127 ft (38.7 m)
Deck width48 ft (14.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,707 (2023)
Projected traffic8,446 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Second Street over Piscataquog (south Br) built?

It was built in 1991, making it 34 years old in 2025.

What condition is Second Street over Piscataquog (south Br) 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 July 2024.

How much traffic does Second Street over Piscataquog (south Br) carry?

About 5,707 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Second Street over Piscataquog (south Br)?

The structure is 130 ft (39.6 m) long with a longest span of 127 ft (38.7 m) and a deck 48 ft wide.

Who owns Second Street over Piscataquog (south Br)?

It is owned by the City or Municipal Highway Agency.