US Bridges

US202 NH101 over Contoocook River

Good

Hillsborough County, New Hampshire · 2.5 Mi. W. Dublin Tl · Structure no. 020800860007600

Built
2024
1 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
186 ft
2 main spans
Daily traffic
18,622
2023 count
Owner
State
State Highway Agency

About this bridge

US202 NH101 over Contoocook River is a steel continuous stringer/multi-beam or girder carrying US202 NH101 over Contoocook River in Hillsborough County, New Hampshire. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 18,622 vehicles a day, roughly 7% of them trucks, projected to reach 27,560 by 2043. The structure is 186 ft (56.7 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS202 NH101
CrossesContoocook River
Location2.5 Mi. W. Dublin Tl
RouteU.S. Route 202
Coordinates42.86897, -71.94954
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.7 US tons
Inventory rating60.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length186 ft (56.7 m)
Longest span84 ft (25.6 m)
Deck width53 ft (16.2 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,622 (2023)
Projected traffic27,560 by 2043
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 US202 NH101 over Contoocook River built?

It was built in 2024, making it 1 years old in 2025.

What condition is US202 NH101 over Contoocook 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 August 2024.

How much traffic does US202 NH101 over Contoocook River carry?

About 18,622 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US202 NH101 over Contoocook River?

The structure is 186 ft (56.7 m) long with a longest span of 84 ft (25.6 m) and a deck 53 ft wide.

Who owns US202 NH101 over Contoocook River?

It is owned by the State Highway Agency.