US Bridges

Woodbury Road over Piscataquog River

Good

Hillsborough County, New Hampshire · 0.3 MI from NH114 · Structure no. 026700900015100

Built
1940
85 years old, rebuilt 2004
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
60 ft
1 main span
Daily traffic
96
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Woodbury Road over Piscataquog River is a wood or timber stringer/multi-beam or girder carrying Woodbury Road over Piscataquog River in Hillsborough County, New Hampshire. It was built in 1940 and reconstructed in 2004, so it is 85 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 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 96 vehicles a day, roughly 4% of them trucks, projected to reach 142 by 2043. The structure is 60 ft (18.3 m) long and 17 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWoodbury Road
CrossesPiscataquog River
Location0.3 MI from NH114
Coordinates43.10848, -71.74249
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.7 US tons
Inventory rating24.6 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span52 ft (15.8 m)
Deck width17 ft (5.2 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2023)
Projected traffic142 by 2043
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Woodbury Road over Piscataquog River built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2004.

What condition is Woodbury Road over Piscataquog River 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 Woodbury Road over Piscataquog River carry?

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

How long is Woodbury Road over Piscataquog River?

The structure is 60 ft (18.3 m) long with a longest span of 52 ft (15.8 m) and a deck 17 ft wide.

Who owns Woodbury Road over Piscataquog River?

It is owned by the City or Municipal Highway Agency.