US Bridges

Nh 11 over US202 Nh 16 SP Tpk

Good

Strafford County, New Hampshire · .8 MI from JCT NH202-A · Structure no. 022201090009000

Built
2011
14 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
195 ft
2 main spans
Daily traffic
19,200
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Nh 11 over US202 Nh 16 SP Tpk is a steel continuous stringer/multi-beam or girder carrying Nh 11 over US202 Nh 16 SP Tpk 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 19,200 vehicles a day, roughly 7% of them trucks, projected to reach 28,416 by 2043. The structure is 195 ft (59.4 m) long and 96 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNh 11
CrossesUS202 Nh 16 SP Tpk
Location.8 MI from JCT NH202-A
RouteState Highway 11
CountyStrafford County
StateNew Hampshire
Coordinates43.3187, -70.99538
Functional classUrban Minor Arterial

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 rating82.8 US tons
Inventory rating49.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length195 ft (59.4 m)
Longest span101 ft (30.8 m)
Deck width96 ft (29.3 m)
Roadway width83 ft (25.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,200 (2023)
Projected traffic28,416 by 2043
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkNon-Interstate 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 11 over US202 Nh 16 SP Tpk built?

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

What condition is Nh 11 over US202 Nh 16 SP Tpk 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 11 over US202 Nh 16 SP Tpk carry?

About 19,200 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Nh 11 over US202 Nh 16 SP Tpk?

The structure is 195 ft (59.4 m) long with a longest span of 101 ft (30.8 m) and a deck 96 ft wide.

Who owns Nh 11 over US202 Nh 16 SP Tpk?

It is owned by the State Toll Authority.