US Bridges

Nh 16 over Chocorua River

Fair

Carroll County, New Hampshire · 3.6 MI from Ossipee Tl · Structure no. 025200970016500

Built
1937
88 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
46 ft
1 main span
Daily traffic
6,635
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 16 over Chocorua River is a concrete tee beam carrying Nh 16 over Chocorua River in Carroll County, New Hampshire. It was built in 1937, so it is 88 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,635 vehicles a day, roughly 7% of them trucks, projected to reach 9,819 by 2043. The structure is 46 ft (14 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNh 16
CrossesChocorua River
Location3.6 MI from Ossipee Tl
RouteState Highway 16
Coordinates43.87689, -71.22006
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.6 US tons
Inventory rating33.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length46 ft (14 m)
Longest span39 ft (11.9 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,635 (2023)
Projected traffic9,819 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 1937, making it 88 years old in 2025.

What condition is Nh 16 over Chocorua River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does Nh 16 over Chocorua River carry?

About 6,635 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Nh 16 over Chocorua River?

The structure is 46 ft (14 m) long with a longest span of 39 ft (11.9 m) and a deck 28 ft wide.

Who owns Nh 16 over Chocorua River?

It is owned by the State Highway Agency.