US Bridges

NH152 over North River

Good

Strafford County, New Hampshire · 0.1 MI Nottingham Tl · Structure no. 014500500005500

Built
1928
97 years old, rebuilt 1985
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
2,809
2023 count
Owner
State
State Highway Agency

About this bridge

NH152 over North River is a steel stringer/multi-beam or girder carrying NH152 over North River in Strafford County, New Hampshire. It was built in 1928 and reconstructed in 1985, so it is 97 years old, older 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 2,809 vehicles a day, roughly 4% of them trucks, projected to reach 4,157 by 2043. The structure is 37 ft (11.3 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNH152
CrossesNorth River
Location0.1 MI Nottingham Tl
RouteState Highway 152
Coordinates43.09789, -71.05941
Functional classRural Major Collector

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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating68 US tons
Inventory rating40 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length37 ft (11.3 m)
Longest span34 ft (10.4 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,809 (2023)
Projected traffic4,157 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 NH152 over North River built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1985.

What condition is NH152 over North 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 July 2024.

How much traffic does NH152 over North River carry?

About 2,809 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is NH152 over North River?

The structure is 37 ft (11.3 m) long with a longest span of 34 ft (10.4 m) and a deck 36 ft wide.

Who owns NH152 over North River?

It is owned by the State Highway Agency.