US Bridges

I-93 Fee Tpk over US 3 Manchester Street

Good

Merrimack County, New Hampshire · 1.2 MI No of JCT Rt 3-A · Structure no. 005201840010300

Built
2000
25 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
241 ft
1 main span
Daily traffic
75,054
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-93 Fee Tpk over US 3 Manchester Street is a steel stringer/multi-beam or girder carrying I-93 Fee Tpk over US 3 Manchester Street in Merrimack County, New Hampshire. It was built in 2000, so it is 25 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 75,054 vehicles a day, roughly 6% of them trucks, projected to reach 111,079 by 2043. The structure is 241 ft (73.5 m) long and 145 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesI-93 Fee Tpk
CrossesUS 3 Manchester Street
Location1.2 MI No of JCT Rt 3-A
RouteInterstate 93
Coordinates43.19347, -71.52586
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 inspectionMay 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 alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating46.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length241 ft (73.5 m)
Longest span236 ft (71.9 m)
Deck width145 ft (44.2 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75,054 (2023)
Projected traffic111,079 by 2043
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 I-93 Fee Tpk over US 3 Manchester Street built?

It was built in 2000, making it 25 years old in 2025.

What condition is I-93 Fee Tpk over US 3 Manchester Street 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 May 2023.

How much traffic does I-93 Fee Tpk over US 3 Manchester Street carry?

About 75,054 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I-93 Fee Tpk over US 3 Manchester Street?

The structure is 241 ft (73.5 m) long with a longest span of 236 ft (71.9 m) and a deck 145 ft wide.

Who owns I-93 Fee Tpk over US 3 Manchester Street?

It is owned by the State Toll Authority.