US Bridges

Nh 16 over Peabody River

Good

Coos County, New Hampshire · 3.0 MI Jackson Tl · Structure no. 020950800009400

Built
1960
65 years old, rebuilt 1994
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
177 ft
3 main spans
Daily traffic
3,350
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 16 over Peabody River is a steel continuous stringer/multi-beam or girder carrying Nh 16 over Peabody River in Coos County, New Hampshire. It was built in 1960 and reconstructed in 1994, 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 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 3,350 vehicles a day, roughly 7% of them trucks, projected to reach 4,958 by 2043. The structure is 177 ft (53.9 m) long and 50 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

CarriesNh 16
CrossesPeabody River
Location3.0 MI Jackson Tl
RouteState Highway 16
Coordinates44.27119, -71.23514
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: 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 rating87 US tons
Inventory rating52 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length177 ft (53.9 m)
Longest span70 ft (21.3 m)
Deck width50 ft (15.1 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,350 (2023)
Projected traffic4,958 by 2043
Trucks7%
Lanes on structure3
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. It was reconstructed in 1994.

What condition is Nh 16 over Peabody 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 2024.

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 177 ft (53.9 m) long with a longest span of 70 ft (21.3 m) and a deck 50 ft wide.

Who owns Nh 16 over Peabody River?

It is owned by the State Highway Agency.