US Bridges

NH123 over Cold River

Fair

Cheshire County, New Hampshire · .22 MI SE Langdon Tl · Structure no. 026200650010500

Built
1919
106 years old
Condition
Fair
inspected June 2024
Type
Girder and Floorbeam System
Steel
Length
59 ft
1 main span
Daily traffic
2,804
2023 count
Owner
State
State Highway Agency

About this bridge

NH123 over Cold River is a steel girder and floorbeam system carrying NH123 over Cold River in Cheshire County, New Hampshire. It was built in 1919, so it is 106 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 2,804 vehicles a day, roughly 10% of them trucks, projected to reach 4,149 by 2043. The structure is 59 ft (18 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNH123
CrossesCold River
Location.22 MI SE Langdon Tl
RouteState Highway 123
Coordinates43.13214, -72.39016
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating23 US tons
Inventory rating14 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length59 ft (18 m)
Longest span55 ft (16.8 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,804 (2023)
Projected traffic4,149 by 2043
Trucks10%
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 statusEligible 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 NH123 over Cold River built?

It was built in 1919, making it 106 years old in 2025.

What condition is NH123 over Cold River 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 2024.

How much traffic does NH123 over Cold River carry?

About 2,804 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NH123 over Cold River?

The structure is 59 ft (18 m) long with a longest span of 55 ft (16.8 m) and a deck 23 ft wide.

Who owns NH123 over Cold River?

It is owned by the State Highway Agency.