US Bridges

NH123 over Bailey Brook

Fair

Cheshire County, New Hampshire · 0.4 MI SE Nelson Tl · Structure no. 024201650003200

Built
1939
86 years old
Condition
Fair
inspected June 2023
Type
Frame
Concrete
Length
27 ft
1 main span
Daily traffic
1,215
2023 count
Owner
State
State Highway Agency

About this bridge

NH123 over Bailey Brook is a concrete frame carrying NH123 over Bailey Brook in Cheshire County, New Hampshire. It was built in 1939, so it is 86 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,215 vehicles a day, roughly 4% of them trucks, projected to reach 1,798 by 2043. The structure is 27 ft (8.2 m) long and 27 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesNH123
CrossesBailey Brook
Location0.4 MI SE Nelson Tl
RouteState Highway 123
CountyCheshire County
StateNew Hampshire
Coordinates43.0222, -72.06709
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 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 alignment6: Equal to present minimum criteria
Operating rating71.3 US tons
Inventory rating50.9 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,215 (2023)
Projected traffic1,798 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 NH123 over Bailey Brook built?

It was built in 1939, making it 86 years old in 2025.

What condition is NH123 over Bailey Brook in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does NH123 over Bailey Brook carry?

About 1,215 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is NH123 over Bailey Brook?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 27 ft wide.

Who owns NH123 over Bailey Brook?

It is owned by the State Highway Agency.