US Bridges

Whitaker Lane over Kearsarge Brook

Good

Carroll County, New Hampshire · .06 MI FR Bartlet RD · Structure no. 005400570007600

Built
2000
25 years old
Condition
Good
inspected July 2023
Type
Frame
Concrete
Length
30 ft
1 main span
Daily traffic
510
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Whitaker Lane over Kearsarge Brook is a concrete frame carrying Whitaker Lane over Kearsarge Brook in Carroll County, New Hampshire. It was built in 2000, so it is 25 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 510 vehicles a day, projected to reach 754 by 2043. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWhitaker Lane
CrossesKearsarge Brook
Location.06 MI FR Bartlet RD
CountyCarroll County
StateNew Hampshire
Coordinates44.06121, -71.11394
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
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 alignment8: Equal to present desirable criteria
Operating rating83.2 US tons
Inventory rating49.9 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2023)
Projected traffic754 by 2043
Trucks0%
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 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 Whitaker Lane over Kearsarge Brook built?

It was built in 2000, making it 25 years old in 2025.

What condition is Whitaker Lane 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 July 2023.

How much traffic does Whitaker Lane over Kearsarge Brook carry?

About 510 vehicles per day (2023 count).

How long is Whitaker Lane over Kearsarge Brook?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns Whitaker Lane over Kearsarge Brook?

It is owned by the City or Municipal Highway Agency.