US Bridges

Nh 12 NH123 over Cold River

Fair

Cheshire County, New Hampshire · .1MI from JCT Rt 123 · Structure no. 026200820006500

Built
1960
65 years old, rebuilt 2003
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
228 ft
3 main spans
Daily traffic
6,073
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 12 NH123 over Cold River is a steel continuous stringer/multi-beam or girder carrying Nh 12 NH123 over Cold River in Cheshire County, New Hampshire. It was built in 1960 and reconstructed in 2003, so it is 65 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 5 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 6,073 vehicles a day, roughly 9% of them trucks, projected to reach 8,988 by 2043. The structure is 228 ft (69.6 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNh 12 NH123
CrossesCold River
Location.1MI from JCT Rt 123
RouteState Highway 12
Coordinates43.11917, -72.42965
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.1 US tons
Inventory rating45 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length228 ft (69.6 m)
Longest span80 ft (24.4 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,073 (2023)
Projected traffic8,988 by 2043
Trucks9%
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 Nh 12 NH123 over Cold River built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2003.

What condition is Nh 12 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 Nh 12 NH123 over Cold River carry?

About 6,073 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Nh 12 NH123 over Cold River?

The structure is 228 ft (69.6 m) long with a longest span of 80 ft (24.4 m) and a deck 47 ft wide.

Who owns Nh 12 NH123 over Cold River?

It is owned by the State Highway Agency.