US Bridges

High Street over Nhrr(abd)

Fair

Cheshire County, New Hampshire · 0.04MI RTE 12 · Structure no. 025800940008600

Built
1953
72 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
1,255
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

High Street over Nhrr(abd) is a steel stringer/multi-beam or girder carrying High Street over Nhrr(abd) in Cheshire County, New Hampshire. It was built in 1953, so it is 72 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 1,255 vehicles a day, roughly 4% of them trucks, projected to reach 1,857 by 2043. The structure is 37 ft (11.3 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesHigh Street
CrossesNhrr(abd)
Location0.04MI RTE 12
Coordinates42.82558, -72.18429
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.8 US tons
Inventory rating18.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width29 ft (8.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,255 (2023)
Projected traffic1,857 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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)
NavigationNot applicable (no waterway)

Frequently asked questions

When was High Street over Nhrr(abd) built?

It was built in 1953, making it 72 years old in 2025.

What condition is High Street over Nhrr(abd) 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 October 2023.

How much traffic does High Street over Nhrr(abd) carry?

About 1,255 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is High Street over Nhrr(abd)?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 29 ft wide.

Who owns High Street over Nhrr(abd)?

It is owned by the City or Municipal Highway Agency.