US Bridges

NH118 over Berry Brook

Good

Grafton County, New Hampshire · .1 Mi. from Jct. Nh 25 · Structure no. 026401210010100

Built
1950
75 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
1,732
2023 count
Owner
State
State Highway Agency

About this bridge

NH118 over Berry Brook is a concrete culvert carrying NH118 over Berry Brook in Grafton County, New Hampshire. It was built in 1950, 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 1,732 vehicles a day, roughly 4% of them trucks, projected to reach 2,563 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNH118
CrossesBerry Brook
Location.1 Mi. from Jct. Nh 25
RouteState Highway 118
Coordinates43.9368, -71.88736
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating54 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,732 (2023)
Projected traffic2,563 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

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 NH118 over Berry Brook built?

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

What condition is NH118 over Berry 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 NH118 over Berry Brook carry?

About 1,732 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is NH118 over Berry Brook?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m).

Who owns NH118 over Berry Brook?

It is owned by the State Highway Agency.