US Bridges

Partridge Brook RD over Partridge Brook

Fair

Cheshire County, New Hampshire · 1.2MI Nh 63 · Structure no. 027200900009800

Built
1930
95 years old, rebuilt 1992
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
45 ft
1 main span
Daily traffic
259
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Partridge Brook RD over Partridge Brook is a concrete tee beam carrying Partridge Brook RD over Partridge Brook in Cheshire County, New Hampshire. It was built in 1930 and reconstructed in 1992, so it is 95 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 259 vehicles a day, roughly 4% of them trucks, projected to reach 383 by 2043. The structure is 45 ft (13.7 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPartridge Brook RD
CrossesPartridge Brook
Location1.2MI Nh 63
CountyCheshire County
StateNew Hampshire
Coordinates42.97328, -72.46453
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating27.7 US tons
Inventory rating18 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span35 ft (10.7 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic259 (2023)
Projected traffic383 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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)
NavigationNo navigation control on waterway

Frequently asked questions

When was Partridge Brook RD over Partridge Brook built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1992.

What condition is Partridge Brook RD over Partridge 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 July 2023.

How much traffic does Partridge Brook RD over Partridge Brook carry?

About 259 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Partridge Brook RD over Partridge Brook?

The structure is 45 ft (13.7 m) long with a longest span of 35 ft (10.7 m) and a deck 24 ft wide.

Who owns Partridge Brook RD over Partridge Brook?

It is owned by the City or Municipal Highway Agency.