US Bridges

Nh 25 over Pine River

Good

Carroll County, New Hampshire · 0.6 MI from Old N.H. 16 · Structure no. 020401830024600

Built
1963
62 years old, rebuilt 2005
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
125 ft
2 main spans
Daily traffic
5,729
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 25 over Pine River is a steel continuous stringer/multi-beam or girder carrying Nh 25 over Pine River in Carroll County, New Hampshire. It was built in 1963 and reconstructed in 2005, so it is 62 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 5,729 vehicles a day, roughly 2% of them trucks, projected to reach 8,478 by 2043. The structure is 125 ft (38.2 m) long and 36 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesNh 25
CrossesPine River
Location0.6 MI from Old N.H. 16
RouteState Highway 25
Coordinates43.76197, -71.13464
Functional classRural Minor 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 inspectionJune 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.3 US tons
Inventory rating57.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length125 ft (38.2 m)
Longest span60 ft (18.3 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,729 (2023)
Projected traffic8,478 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed18 mi (29 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 Nh 25 over Pine River built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2005.

What condition is Nh 25 over Pine 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 2023.

How much traffic does Nh 25 over Pine River carry?

About 5,729 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Nh 25 over Pine River?

The structure is 125 ft (38.2 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.

Who owns Nh 25 over Pine River?

It is owned by the State Highway Agency.