US Bridges

Nh 16 over Chocorua River

Good

Carroll County, New Hampshire · 7.1 MI from Ossipee T.L. · Structure no. 025200370016600

Built
1939
86 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
7,502
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 16 over Chocorua River is a concrete culvert carrying Nh 16 over Chocorua River in Carroll County, New Hampshire. It was built in 1939, so it is 86 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 7,502 vehicles a day, roughly 7% of them trucks, projected to reach 11,102 by 2043. The structure is 22 ft (6.7 m) long and 39 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesNh 16
CrossesChocorua River
Location7.1 MI from Ossipee T.L.
RouteState Highway 16
CountyCarroll County
StateNew Hampshire
Coordinates43.91889, -71.22932
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width39 ft (12 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,502 (2023)
Projected traffic11,102 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Chocorua River built?

It was built in 1939, making it 86 years old in 2025.

What condition is Nh 16 over Chocorua 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 May 2023.

How much traffic does Nh 16 over Chocorua River carry?

About 7,502 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Nh 16 over Chocorua River?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 39 ft wide.

Who owns Nh 16 over Chocorua River?

It is owned by the State Highway Agency.