US Bridges

Nh 16 SP Tpk over US202

Good

Strafford County, New Hampshire · .6 MI from JCT Rt 202A · Structure no. 022201390009400

Built
2011
14 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
173 ft
1 main span
Daily traffic
37,452
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Nh 16 SP Tpk over US202 is a steel stringer/multi-beam or girder carrying Nh 16 SP Tpk over US202 in Strafford County, New Hampshire. It was built in 2011, so it is 14 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 37,452 vehicles a day, roughly 5% of them trucks, projected to reach 55,428 by 2043. The structure is 173 ft (52.6 m) long and 126 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNh 16 SP Tpk
CrossesUS202
Location.6 MI from JCT Rt 202A
RouteState Highway 16
CountyStrafford County
StateNew Hampshire
Coordinates43.29616, -70.99382
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating50.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length173 ft (52.6 m)
Longest span170 ft (51.8 m)
Deck width126 ft (38.3 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,452 (2023)
Projected traffic55,428 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Nh 16 SP Tpk over US202 built?

It was built in 2011, making it 14 years old in 2025.

What condition is Nh 16 SP Tpk over US202 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 July 2023.

How much traffic does Nh 16 SP Tpk over US202 carry?

About 37,452 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Nh 16 SP Tpk over US202?

The structure is 173 ft (52.6 m) long with a longest span of 170 ft (51.8 m) and a deck 126 ft wide.

Who owns Nh 16 SP Tpk over US202?

It is owned by the State Toll Authority.