US Bridges

Nh 16 over Ellis River

Good

Carroll County, New Hampshire · 0.7 MI from Jackson Tl · Structure no. 001702020017200

Built
1990
35 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
207 ft
2 main spans
Daily traffic
9,216
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 16 over Ellis River is a steel stringer/multi-beam or girder carrying Nh 16 over Ellis River in Carroll County, New Hampshire. It was built in 1990, so it is 35 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 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 9,216 vehicles a day, roughly 7% of them trucks, projected to reach 13,639 by 2043. The structure is 207 ft (63.1 m) long and 52 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNh 16
CrossesEllis River
Location0.7 MI from Jackson Tl
RouteState Highway 16
Coordinates44.12681, -71.18902
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 protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.6 US tons
Inventory rating56 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length207 ft (63.1 m)
Longest span100 ft (30.5 m)
Deck width52 ft (16 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,216 (2023)
Projected traffic13,639 by 2043
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
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 Ellis River built?

It was built in 1990, making it 35 years old in 2025.

What condition is Nh 16 over Ellis 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 June 2024.

How much traffic does Nh 16 over Ellis River carry?

About 9,216 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Nh 16 over Ellis River?

The structure is 207 ft (63.1 m) long with a longest span of 100 ft (30.5 m) and a deck 52 ft wide.

Who owns Nh 16 over Ellis River?

It is owned by the State Highway Agency.