US Bridges

Bickford Woods RD over Rocky Brook

Good

Grafton County, New Hampshire · 0.02 MI Wentworth Tl · Structure no. 006401350016900

Built
1973
52 years old
Condition
Good
inspected August 2023
Type
Frame
Concrete
Length
41 ft
1 main span
Daily traffic
71
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bickford Woods RD over Rocky Brook is a concrete frame carrying Bickford Woods RD over Rocky Brook in Grafton County, New Hampshire. It was built in 1973, so it is 52 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 71 vehicles a day, roughly 4% of them trucks, projected to reach 105 by 2043. The structure is 41 ft (12.5 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesBickford Woods RD
CrossesRocky Brook
Location0.02 MI Wentworth Tl
Coordinates43.81445, -71.94613
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span36 ft (11 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2023)
Projected traffic105 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Bickford Woods RD over Rocky Brook built?

It was built in 1973, making it 52 years old in 2025.

What condition is Bickford Woods RD over Rocky Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Bickford Woods RD over Rocky Brook carry?

About 71 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Bickford Woods RD over Rocky Brook?

The structure is 41 ft (12.5 m) long with a longest span of 36 ft (11 m) and a deck 30 ft wide.

Who owns Bickford Woods RD over Rocky Brook?

It is owned by the City or Municipal Highway Agency.