US Bridges

Henry Bridge Road over Piscataquog River

Fair

Hillsborough County, New Hampshire · 3.0 MI from Bedford Tl · Structure no. 009501360010600

Built
1937
88 years old, rebuilt 1996
Condition
Fair
inspected August 2024
Type
Other
Steel
Length
126 ft
1 main span
Daily traffic
6,880
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Henry Bridge Road over Piscataquog River is a steel other carrying Henry Bridge Road over Piscataquog River in Hillsborough County, New Hampshire. It was built in 1937 and reconstructed in 1996, so it is 88 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 5 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 6,880 vehicles a day, roughly 4% of them trucks, projected to reach 10,182 by 2043. The structure is 126 ft (38.4 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesHenry Bridge Road
CrossesPiscataquog River
Location3.0 MI from Bedford Tl
CountyHillsborough County
StateNew Hampshire
Coordinates43.01657, -71.54945
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeOther
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 25 or greater
Structure length126 ft (38.4 m)
Longest span118 ft (36 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,880 (2023)
Projected traffic10,182 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Henry Bridge Road over Piscataquog River built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1996.

What condition is Henry Bridge Road over Piscataquog River 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 August 2024.

How much traffic does Henry Bridge Road over Piscataquog River carry?

About 6,880 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Henry Bridge Road over Piscataquog River?

The structure is 126 ft (38.4 m) long with a longest span of 118 ft (36 m) and a deck 25 ft wide.

Who owns Henry Bridge Road over Piscataquog River?

It is owned by the City or Municipal Highway Agency.