US Bridges

Nh 16 over Clear Stream

Good

Coos County, New Hampshire · 0.1 MI SW of RTE 26 · Structure no. 008001050012000

Built
1997
28 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
116 ft
1 main span
Daily traffic
850
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 16 over Clear Stream is a steel stringer/multi-beam or girder carrying Nh 16 over Clear Stream in Coos County, New Hampshire. It was built in 1997, so it is 28 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 850 vehicles a day, roughly 10% of them trucks, projected to reach 1,258 by 2043. The structure is 116 ft (35.4 m) long and 34 ft wide. If it were closed, the detour would be 64 mi (103 km).

Location

Open in Google Maps
CarriesNh 16
CrossesClear Stream
Location0.1 MI SW of RTE 26
RouteState Highway 16
CountyCoos County
StateNew Hampshire
Coordinates44.78, -71.1391
Functional classRural Minor Arterial

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
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.8 US tons
Inventory rating46.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length116 ft (35.4 m)
Longest span110 ft (33.5 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2023)
Projected traffic1,258 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed64 mi (103 km)
TollOn a free road
National Highway SystemNo

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 Clear Stream built?

It was built in 1997, making it 28 years old in 2025.

What condition is Nh 16 over Clear Stream 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 Clear Stream carry?

About 850 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Nh 16 over Clear Stream?

The structure is 116 ft (35.4 m) long with a longest span of 110 ft (33.5 m) and a deck 34 ft wide.

Who owns Nh 16 over Clear Stream?

It is owned by the State Highway Agency.