US Bridges

I-93 Parkway over Tram Access Road

Fair

Grafton County, New Hampshire · 2.2 Mi. N. Lincoln T.L. · Structure no. 008701440006700

Built
1986
39 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
101 ft
1 main span
Daily traffic
11,599
2023 count
Owner
State
State Highway Agency

About this bridge

I-93 Parkway over Tram Access Road is a steel stringer/multi-beam or girder carrying I-93 Parkway over Tram Access Road in Grafton County, New Hampshire. It was built in 1986, so it is 39 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 11,599 vehicles a day, roughly 9% of them trucks, projected to reach 17,166 by 2043. The structure is 101 ft (30.8 m) long and 49 ft wide.

Location

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CarriesI-93 Parkway
CrossesTram Access Road
Location2.2 Mi. N. Lincoln T.L.
RouteInterstate 93
CountyGrafton County
StateNew Hampshire
Coordinates44.17002, -71.68365
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 rating80.1 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length101 ft (30.8 m)
Longest span96 ft (29.3 m)
Deck width49 ft (14.9 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,599 (2023)
Projected traffic17,166 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 Parkway over Tram Access Road built?

It was built in 1986, making it 39 years old in 2025.

What condition is I-93 Parkway over Tram Access Road in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does I-93 Parkway over Tram Access Road carry?

About 11,599 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-93 Parkway over Tram Access Road?

The structure is 101 ft (30.8 m) long with a longest span of 96 ft (29.3 m) and a deck 49 ft wide.

Who owns I-93 Parkway over Tram Access Road?

It is owned by the State Highway Agency.