US Bridges

I-93 SB over I-293 Fee Tpk

Good

Merrimack County, New Hampshire · At JCT With Feet · Structure no. 012800670009000

Built
1977
48 years old, rebuilt 1992
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
326 ft
2 main spans
Daily traffic
21,233
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-93 SB over I-293 Fee Tpk is a steel continuous stringer/multi-beam or girder carrying I-93 SB over I-293 Fee Tpk in Merrimack County, New Hampshire. It was built in 1977 and reconstructed in 1992, so it is 48 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 21,233 vehicles a day, roughly 9% of them trucks, projected to reach 31,424 by 2043. The structure is 326 ft (99.4 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-93 SB
CrossesI-293 Fee Tpk
LocationAt JCT With Feet
RouteInterstate 93
Coordinates43.04869, -71.47165
Functional classUrban Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating36.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length326 ft (99.4 m)
Longest span158 ft (48.2 m)
Deck width63 ft (19.2 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,233 (2023)
Projected traffic31,424 by 2043
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll 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 I-93 SB over I-293 Fee Tpk built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 1992.

What condition is I-93 SB over I-293 Fee 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 June 2024.

How much traffic does I-93 SB over I-293 Fee Tpk carry?

About 21,233 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-93 SB over I-293 Fee Tpk?

The structure is 326 ft (99.4 m) long with a longest span of 158 ft (48.2 m) and a deck 63 ft wide.

Who owns I-93 SB over I-293 Fee Tpk?

It is owned by the State Toll Authority.