US Bridges

Old No Branch Road over North Branch River

Good

Hillsborough County, New Hampshire · 0.1MI. NH9 · Structure no. 000901300014900

Built
2011
14 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
1 main span
Daily traffic
30
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Old No Branch Road over North Branch River is a steel stringer/multi-beam or girder carrying Old No Branch Road over North Branch River in Hillsborough County, New Hampshire. It was built in 2011, so it is 14 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, roughly 4% of them trucks, projected to reach 44 by 2043. The structure is 84 ft (25.6 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesOld No Branch Road
CrossesNorth Branch River
Location0.1MI. NH9
CountyHillsborough County
StateNew Hampshire
Coordinates43.08311, -71.97749
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.7 US tons
Inventory rating61.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length84 ft (25.6 m)
Longest span78 ft (23.8 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic44 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Old No Branch Road over North Branch River built?

It was built in 2011, making it 14 years old in 2025.

What condition is Old No Branch Road over North Branch 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 June 2024.

How much traffic does Old No Branch Road over North Branch River carry?

About 30 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Old No Branch Road over North Branch River?

The structure is 84 ft (25.6 m) long with a longest span of 78 ft (23.8 m) and a deck 30 ft wide.

Who owns Old No Branch Road over North Branch River?

It is owned by the City or Municipal Highway Agency.