US Bridges

Dana Hill Road over Nhrr

Good

Belknap County, New Hampshire · 450 Feet FR Winona Road · Structure no. 018402230011700

Built
1998
27 years old
Condition
Good
inspected May 2023
Type
Frame
Concrete
Length
84 ft
1 main span
Daily traffic
341
2023 count
Owner
State
State Highway Agency

About this bridge

Dana Hill Road over Nhrr is a concrete frame carrying Dana Hill Road over Nhrr in Belknap County, New Hampshire. It was built in 1998, so it is 27 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 341 vehicles a day, roughly 4% of them trucks, projected to reach 504 by 2043. The structure is 84 ft (25.6 m) long and 84 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesDana Hill Road
CrossesNhrr
Location450 Feet FR Winona Road
CountyBelknap County
StateNew Hampshire
Coordinates43.68538, -71.61848
Functional classRural Local

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.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating83.8 US tons
Inventory rating49.9 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length84 ft (25.6 m)
Longest span30 ft (9.1 m)
Deck width84 ft (25.6 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic341 (2023)
Projected traffic504 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dana Hill Road over Nhrr built?

It was built in 1998, making it 27 years old in 2025.

What condition is Dana Hill Road over Nhrr 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 Dana Hill Road over Nhrr carry?

About 341 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Dana Hill Road over Nhrr?

The structure is 84 ft (25.6 m) long with a longest span of 30 ft (9.1 m) and a deck 84 ft wide.

Who owns Dana Hill Road over Nhrr?

It is owned by the State Highway Agency.