US Bridges

Cooledge Road over Beards Brook

Fair

Hillsborough County, New Hampshire · 3.2 MI FR Nh RTE 31 · Structure no. 012200610013900

Built
1970
55 years old, rebuilt 2022
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
96
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cooledge Road over Beards Brook is a concrete slab carrying Cooledge Road over Beards Brook in Hillsborough County, New Hampshire. It was built in 1970 and reconstructed in 2022, so it is 55 years old, younger 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 96 vehicles a day, roughly 4% of them trucks, projected to reach 142 by 2043. The structure is 25 ft (7.5 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCooledge Road
CrossesBeards Brook
Location3.2 MI FR Nh RTE 31
CountyHillsborough County
StateNew Hampshire
Coordinates43.17185, -71.99639
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.2 US tons
Inventory rating43.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.5 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2023)
Projected traffic142 by 2043
Trucks4%
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

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 Cooledge Road over Beards Brook built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2022.

What condition is Cooledge Road over Beards 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 October 2024.

How much traffic does Cooledge Road over Beards Brook carry?

About 96 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Cooledge Road over Beards Brook?

The structure is 25 ft (7.5 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns Cooledge Road over Beards Brook?

It is owned by the City or Municipal Highway Agency.