US Bridges

Nh 16 over Peabody River

Fair

Coos County, New Hampshire · 2.3 MI Jackson Tl · Structure no. 020950740008100

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
3,350
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 16 over Peabody River is a concrete culvert carrying Nh 16 over Peabody River in Coos County, New Hampshire. It was built in 1960, so it is 65 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 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 3,350 vehicles a day, roughly 7% of them trucks, projected to reach 4,958 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 44.1 mi (71 km).

Location

Open in Google Maps
CarriesNh 16
CrossesPeabody River
Location2.3 MI Jackson Tl
RouteState Highway 16
CountyCoos County
StateNew Hampshire
Coordinates44.26285, -71.24256
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating88 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,350 (2023)
Projected traffic4,958 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 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 Peabody River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nh 16 over Peabody 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 July 2023.

How much traffic does Nh 16 over Peabody River carry?

About 3,350 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Nh 16 over Peabody River?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m).

Who owns Nh 16 over Peabody River?

It is owned by the State Highway Agency.