US Bridges

US 2 over Rattle River

Good

Coos County, New Hampshire · 2.9 MI East of Gorham T/L · Structure no. 023600790010600

Built
1973
52 years old
Condition
Good
inspected April 2024
Type
Frame
Concrete
Length
57 ft
1 main span
Daily traffic
3,395
2023 count
Owner
State
State Highway Agency

About this bridge

US 2 over Rattle River is a concrete frame carrying US 2 over Rattle 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 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 3,395 vehicles a day, roughly 7% of them trucks, projected to reach 5,024 by 2043. The structure is 57 ft (17.4 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 2
CrossesRattle River
Location2.9 MI East of Gorham T/L
RouteU.S. Route 2
Coordinates44.40091, -71.10993
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.1 US tons
Inventory rating48.1 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length57 ft (17.4 m)
Longest span52 ft (15.8 m)
Deck width47 ft (14.2 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,395 (2023)
Projected traffic5,024 by 2043
Trucks7%
Lanes on structure2
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 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 US 2 over Rattle River built?

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

What condition is US 2 over Rattle 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 April 2024.

How much traffic does US 2 over Rattle River carry?

About 3,395 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 2 over Rattle River?

The structure is 57 ft (17.4 m) long with a longest span of 52 ft (15.8 m) and a deck 47 ft wide.

Who owns US 2 over Rattle River?

It is owned by the State Highway Agency.