US Bridges

Kearsarge Val RD over Cascade Brook

Good

Merrimack County, New Hampshire · 0.43MI NH11 · Structure no. 027502040011200

Built
2008
17 years old
Condition
Good
inspected August 2024
Type
Frame
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
1,167
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Kearsarge Val RD over Cascade Brook is a prestressed concrete frame carrying Kearsarge Val RD over Cascade Brook in Merrimack County, New Hampshire. It was built in 2008, so it is 17 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 1,167 vehicles a day, roughly 4% of them trucks, projected to reach 1,727 by 2043. The structure is 43 ft (13.1 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKearsarge Val RD
CrossesCascade Brook
Location0.43MI NH11
Coordinates43.41203, -71.90235
Functional classRural Minor 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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.5 US tons
Inventory rating44.6 US tons

Structure

Structure typeFrame
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,167 (2023)
Projected traffic1,727 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Kearsarge Val RD over Cascade Brook built?

It was built in 2008, making it 17 years old in 2025.

What condition is Kearsarge Val RD over Cascade Brook 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 Kearsarge Val RD over Cascade Brook carry?

About 1,167 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Kearsarge Val RD over Cascade Brook?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns Kearsarge Val RD over Cascade Brook?

It is owned by the City or Municipal Highway Agency.