US Bridges

Baboosic Lake Road over Fee Tpk

Poor

Hillsborough County, New Hampshire · .8 MI from Souhegan R · Structure no. 016801070013100

Built
1954
71 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
167 ft
4 main spans
Daily traffic
6,359
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Baboosic Lake Road over Fee Tpk is a steel continuous stringer/multi-beam or girder carrying Baboosic Lake Road over Fee Tpk in Hillsborough County, New Hampshire. It was built in 1954, so it is 71 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 6,359 vehicles a day, roughly 4% of them trucks, projected to reach 9,411 by 2043. The structure is 167 ft (50.9 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesBaboosic Lake Road
CrossesFee Tpk
Location.8 MI from Souhegan R
RouteCity Street 0
CountyHillsborough County
StateNew Hampshire
Coordinates42.86827, -71.50213
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 8 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating43.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length167 ft (50.9 m)
Longest span47 ft (14.3 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,359 (2023)
Projected traffic9,411 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Baboosic Lake Road over Fee Tpk built?

It was built in 1954, making it 71 years old in 2025.

What condition is Baboosic Lake Road over Fee Tpk in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Baboosic Lake Road over Fee Tpk carry?

About 6,359 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Baboosic Lake Road over Fee Tpk?

The structure is 167 ft (50.9 m) long with a longest span of 47 ft (14.3 m) and a deck 35 ft wide.

Who owns Baboosic Lake Road over Fee Tpk?

It is owned by the State Toll Authority.