US Bridges

Bridge Hill Road over Connecticut River

Good

Coos County, New Hampshire · Nh-Vt State Line · Structure no. 005700890013000

Built
1997
28 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
591 ft
3 main spans
Daily traffic
870
2023 count
Owner
State
State Highway Agency

About this bridge

Bridge Hill Road over Connecticut River is a steel continuous stringer/multi-beam or girder carrying Bridge Hill Road over Connecticut River 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 870 vehicles a day, roughly 5% of them trucks, projected to reach 1,287 by 2043. The structure is 591 ft (180.1 m) long and 39 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesBridge Hill Road
CrossesConnecticut River
LocationNh-Vt State Line
RouteState Highway 0
Coordinates44.41104, -71.72317
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionMay 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length591 ft (180.1 m)
Longest span225 ft (68.6 m)
Deck width39 ft (12 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic870 (2023)
Projected traffic1,287 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed19.9 mi (32 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 Bridge Hill Road over Connecticut River built?

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

What condition is Bridge Hill Road over Connecticut 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 2024.

How much traffic does Bridge Hill Road over Connecticut River carry?

About 870 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Bridge Hill Road over Connecticut River?

The structure is 591 ft (180.1 m) long with a longest span of 225 ft (68.6 m) and a deck 39 ft wide.

Who owns Bridge Hill Road over Connecticut River?

It is owned by the State Highway Agency.