US Bridges

North Road over Androscoggin River

Fair

Coos County, New Hampshire · 0.26 MI N US 2 · Structure no. 023600750011000

Built
1973
52 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
150 ft
1 main span
Daily traffic
281
2023 count
Owner
State
State Highway Agency

About this bridge

North Road over Androscoggin River is a steel stringer/multi-beam or girder carrying North Road over Androscoggin River in Coos County, New Hampshire. It was built in 1973, so it is 52 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 fair condition with a lowest component rating of 6 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 281 vehicles a day, roughly 4% of them trucks, projected to reach 415 by 2043. The structure is 150 ft (45.7 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNorth Road
CrossesAndroscoggin River
Location0.26 MI N US 2
RouteState Highway 0
CountyCoos County
StateNew Hampshire
Coordinates44.40361, -71.11463
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating50.9 US tons
Inventory rating30.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span146 ft (44.5 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic281 (2023)
Projected traffic415 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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 North Road over Androscoggin River built?

It was built in 1973, making it 52 years old in 2025.

What condition is North Road over Androscoggin 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 August 2023.

How much traffic does North Road over Androscoggin River carry?

About 281 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is North Road over Androscoggin River?

The structure is 150 ft (45.7 m) long with a longest span of 146 ft (44.5 m) and a deck 32 ft wide.

Who owns North Road over Androscoggin River?

It is owned by the State Highway Agency.