US Bridges

Poor Farm Road over S Br Piscataquog River

Fair

Hillsborough County, New Hampshire · 0.8MI. RTE 136 · Structure no. 008601080011900

Built
2004
21 years old
Condition
Fair
inspected October 2024
Type
Culvert
Steel
Length
30 ft
2 main spans
Daily traffic
175
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Poor Farm Road over S Br Piscataquog River is a steel culvert carrying Poor Farm Road over S Br Piscataquog River in Hillsborough County, New Hampshire. It was built in 2004, so it is 21 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 175 vehicles a day, roughly 4% of them trucks, projected to reach 259 by 2043. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesPoor Farm Road
CrossesS Br Piscataquog River
Location0.8MI. RTE 136
CountyHillsborough County
StateNew Hampshire
Coordinates42.99759, -71.80961
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating21.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2023)
Projected traffic259 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 statusNot eligible for the National Register of Historic Places
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 Poor Farm Road over S Br Piscataquog River built?

It was built in 2004, making it 21 years old in 2025.

What condition is Poor Farm Road over S Br 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 October 2024.

How much traffic does Poor Farm Road over S Br Piscataquog River carry?

About 175 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Poor Farm Road over S Br Piscataquog River?

The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.7 m).

Who owns Poor Farm Road over S Br Piscataquog River?

It is owned by the City or Municipal Highway Agency.