US Bridges

Nh 16 over Pine River

Good

Carroll County, New Hampshire · 2.8 MI from Wakefield Tl · Structure no. 020402320012100

Built
1976
49 years old, rebuilt 2013
Condition
Good
inspected June 2023
Type
Frame
Concrete
Length
28 ft
1 main span
Daily traffic
7,537
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 16 over Pine River is a concrete frame carrying Nh 16 over Pine River in Carroll County, New Hampshire. It was built in 1976 and reconstructed in 2013, so it is 49 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 7,537 vehicles a day, roughly 7% of them trucks, projected to reach 11,154 by 2043. The structure is 28 ft (8.5 m) long and 48 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNh 16
CrossesPine River
Location2.8 MI from Wakefield Tl
RouteState Highway 16
Coordinates43.67482, -71.07969
Functional classRural Principal Arterial - Other

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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating63.1 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,537 (2023)
Projected traffic11,154 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

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 16 over Pine River built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2013.

What condition is Nh 16 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 16 over Pine River carry?

About 7,537 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Nh 16 over Pine River?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 48 ft wide.

Who owns Nh 16 over Pine River?

It is owned by the State Highway Agency.