US Bridges

NH111 over US 3 Fee Tpk

Fair

Hillsborough County, New Hampshire · 0.02 MI from NH111-A · Structure no. 017701020009000

Built
1998
27 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
283 ft
2 main spans
Daily traffic
34,337
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

NH111 over US 3 Fee Tpk is a steel continuous stringer/multi-beam or girder carrying NH111 over US 3 Fee Tpk in Hillsborough County, New Hampshire. It was built in 1998, so it is 27 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 34,337 vehicles a day, roughly 7% of them trucks, projected to reach 50,818 by 2043. The structure is 283 ft (86.3 m) long and 112 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNH111
CrossesUS 3 Fee Tpk
Location0.02 MI from NH111-A
RouteState Highway 111
CountyHillsborough County
StateNew Hampshire
Coordinates42.74681, -71.49251
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating88.7 US tons
Inventory rating53.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length283 ft (86.3 m)
Longest span142 ft (43.3 m)
Deck width112 ft (34.1 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,337 (2023)
Projected traffic50,818 by 2043
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

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

Frequently asked questions

When was NH111 over US 3 Fee Tpk built?

It was built in 1998, making it 27 years old in 2025.

What condition is NH111 over US 3 Fee Tpk 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 April 2024.

How much traffic does NH111 over US 3 Fee Tpk carry?

About 34,337 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is NH111 over US 3 Fee Tpk?

The structure is 283 ft (86.3 m) long with a longest span of 142 ft (43.3 m) and a deck 112 ft wide.

Who owns NH111 over US 3 Fee Tpk?

It is owned by the State Toll Authority.