US Bridges

Nh 16 over Ellis River

Good

Carroll County, New Hampshire · 0.5 MI from Bartlett Tl · Structure no. 013201440005600

Built
1938
87 years old
Condition
Good
inspected May 2023
Type
Frame
Concrete Continuous
Length
140 ft
2 main spans
Daily traffic
6,773
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 16 over Ellis River is a concrete continuous frame carrying Nh 16 over Ellis River in Carroll County, New Hampshire. It was built in 1938, so it is 87 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 6,773 vehicles a day, roughly 7% of them trucks, projected to reach 10,024 by 2043. The structure is 140 ft (42.6 m) long and 36 ft wide. If it were closed, the detour would be 75.8 mi (122 km).

CarriesNh 16
CrossesEllis River
Location0.5 MI from Bartlett Tl
RouteState Highway 16
Coordinates44.14524, -71.18893
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.7 US tons
Inventory rating50 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length140 ft (42.6 m)
Longest span61 ft (18.6 m)
Deck width36 ft (11 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,773 (2023)
Projected traffic10,024 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed75.8 mi (122 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible 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 1938, making it 87 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 May 2023.

How much traffic does Nh 16 over Ellis River carry?

About 6,773 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Nh 16 over Ellis River?

The structure is 140 ft (42.6 m) long with a longest span of 61 ft (18.6 m) and a deck 36 ft wide.

Who owns Nh 16 over Ellis River?

It is owned by the State Highway Agency.