US Bridges

Skimobile Road over Kearsarge Brook

Good

Carroll County, New Hampshire · 1.16 MI FR Kearsarge ST · Structure no. 005400650007600

Built
1950
75 years old, rebuilt 1989
Condition
Good
inspected August 2023
Type
Tee Beam
Concrete
Length
32 ft
1 main span
Daily traffic
510
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Skimobile Road over Kearsarge Brook is a concrete tee beam carrying Skimobile Road over Kearsarge Brook in Carroll County, New Hampshire. It was built in 1950 and reconstructed in 1989, so it is 75 years old, older 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 510 vehicles a day, roughly 4% of them trucks, projected to reach 754 by 2043. The structure is 32 ft (9.8 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSkimobile Road
CrossesKearsarge Brook
Location1.16 MI FR Kearsarge ST
Coordinates44.05551, -71.11327
Functional classUrban 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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.2 US tons
Inventory rating25.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2023)
Projected traffic754 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Skimobile Road over Kearsarge Brook built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1989.

What condition is Skimobile Road over Kearsarge 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 2023.

How much traffic does Skimobile Road over Kearsarge Brook carry?

About 510 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Skimobile Road over Kearsarge Brook?

The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns Skimobile Road over Kearsarge Brook?

It is owned by the City or Municipal Highway Agency.