US Bridges

US 4 Nh 16 SP Tpk over Gosling Road

Good

Rockingham County, New Hampshire · 1.2 MI N JCT I-95 · Structure no. 021702090017900

Built
1993
32 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
113 ft
1 main span
Daily traffic
59,897
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

US 4 Nh 16 SP Tpk over Gosling Road is a steel stringer/multi-beam or girder carrying US 4 Nh 16 SP Tpk over Gosling Road in Rockingham County, New Hampshire. It was built in 1993, so it is 32 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 59,897 vehicles a day, projected to reach 88,647 by 2043. The structure is 113 ft (34.4 m) long and 140 ft wide.

CarriesUS 4 Nh 16 SP Tpk
CrossesGosling Road
Location1.2 MI N JCT I-95
RouteState Highway 0
Coordinates43.09065, -70.80242
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2023
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 alignment9: Superior to present desirable criteria
Operating rating82.3 US tons
Inventory rating49.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length113 ft (34.4 m)
Longest span110 ft (33.5 m)
Deck width140 ft (42.8 m)
Roadway width111 ft (33.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,897 (2023)
Projected traffic88,647 by 2043
Trucks0%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 US 4 Nh 16 SP Tpk over Gosling Road built?

It was built in 1993, making it 32 years old in 2025.

What condition is US 4 Nh 16 SP Tpk over Gosling Road 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 June 2023.

How much traffic does US 4 Nh 16 SP Tpk over Gosling Road carry?

About 59,897 vehicles per day (2023 count).

How long is US 4 Nh 16 SP Tpk over Gosling Road?

The structure is 113 ft (34.4 m) long with a longest span of 110 ft (33.5 m) and a deck 140 ft wide.

Who owns US 4 Nh 16 SP Tpk over Gosling Road?

It is owned by the State Toll Authority.