US Bridges

NH101 WB over NH107

Good

Rockingham County, New Hampshire · 4.7MI East of Candia Tl · Structure no. 021901460010400

Built
1983
42 years old, rebuilt 2000
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
132 ft
1 main span
Daily traffic
21,050
2023 count
Owner
State
State Highway Agency

About this bridge

NH101 WB over NH107 is a steel stringer/multi-beam or girder carrying NH101 WB over NH107 in Rockingham County, New Hampshire. It was built in 1983 and reconstructed in 2000, so it is 42 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 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 21,050 vehicles a day, roughly 7% of them trucks, projected to reach 31,154 by 2043. The structure is 132 ft (40.3 m) long and 58 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNH101 WB
CrossesNH107
Location4.7MI East of Candia Tl
RouteState Highway 101
Coordinates43.03001, -71.16486
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.7 US tons
Inventory rating54.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length132 ft (40.3 m)
Longest span127 ft (38.7 m)
Deck width58 ft (17.7 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,050 (2023)
Projected traffic31,154 by 2043
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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)
NavigationNot applicable (no waterway)

Frequently asked questions

When was NH101 WB over NH107 built?

It was built in 1983, making it 42 years old in 2025. It was reconstructed in 2000.

What condition is NH101 WB over NH107 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 April 2024.

How much traffic does NH101 WB over NH107 carry?

About 21,050 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is NH101 WB over NH107?

The structure is 132 ft (40.3 m) long with a longest span of 127 ft (38.7 m) and a deck 58 ft wide.

Who owns NH101 WB over NH107?

It is owned by the State Highway Agency.