US Bridges

Nh 16 over Moose Brook

Fair

Coos County, New Hampshire · 3.8 MI Berlin Tl · Structure no. 009700750010900

Built
1972
53 years old, rebuilt 2006
Condition
Fair
inspected July 2023
Type
Frame
Concrete
Length
71 ft
1 main span
Daily traffic
10,237
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 16 over Moose Brook is a concrete frame carrying Nh 16 over Moose Brook in Coos County, New Hampshire. It was built in 1972 and reconstructed in 2006, so it is 53 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 fair condition with a lowest component rating of 5 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 10,237 vehicles a day, roughly 7% of them trucks, projected to reach 15,150 by 2043. The structure is 71 ft (21.6 m) long and 69 ft wide. If it were closed, the detour would be 47.8 mi (77 km).

Location

Open in Google Maps
CarriesNh 16
CrossesMoose Brook
Location3.8 MI Berlin Tl
RouteState Highway 16
CountyCoos County
StateNew Hampshire
Coordinates44.40022, -71.1977
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.4 US tons
Inventory rating39.8 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length71 ft (21.6 m)
Longest span62 ft (19 m)
Deck width69 ft (20.9 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,237 (2023)
Projected traffic15,150 by 2043
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed47.8 mi (77 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 Moose Brook built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2006.

What condition is Nh 16 over Moose Brook 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 July 2023.

How much traffic does Nh 16 over Moose Brook carry?

About 10,237 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Nh 16 over Moose Brook?

The structure is 71 ft (21.6 m) long with a longest span of 62 ft (19 m) and a deck 69 ft wide.

Who owns Nh 16 over Moose Brook?

It is owned by the State Highway Agency.