US Bridges

NH114 over Amey Brook

Good

Merrimack County, New Hampshire · 1.17 M. SE Warner Tl · Structure no. 012000990015600

Built
1951
74 years old, rebuilt 1981
Condition
Good
inspected March 2024
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
3,928
2023 count
Owner
State
State Highway Agency

About this bridge

NH114 over Amey Brook is a concrete slab carrying NH114 over Amey Brook in Merrimack County, New Hampshire. It was built in 1951 and reconstructed in 1981, so it is 74 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 3,928 vehicles a day, roughly 4% of them trucks, projected to reach 5,813 by 2043. The structure is 22 ft (6.7 m) long and 47 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesNH114
CrossesAmey Brook
Location1.17 M. SE Warner Tl
RouteState Highway 114
Coordinates43.20745, -71.85341
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93 US tons
Inventory rating56 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width47 ft (14.3 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,928 (2023)
Projected traffic5,813 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 NH114 over Amey Brook built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1981.

What condition is NH114 over Amey 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 March 2024.

How much traffic does NH114 over Amey Brook carry?

About 3,928 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is NH114 over Amey Brook?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 47 ft wide.

Who owns NH114 over Amey Brook?

It is owned by the State Highway Agency.