US Bridges

I-93 SB over Pelham Road

Good

Rockingham County, New Hampshire · 1.1 M N of JCT Rt 38 · Structure no. 022800670007700

Built
2014
11 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
155 ft
1 main span
Daily traffic
47,252
2023 count
Owner
State
State Highway Agency

About this bridge

I-93 SB over Pelham Road is a steel stringer/multi-beam or girder carrying I-93 SB over Pelham Road in Rockingham County, New Hampshire. It was built in 2014, so it is 11 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 47,252 vehicles a day, roughly 9% of them trucks, projected to reach 69,932 by 2043. The structure is 155 ft (47.2 m) long and 75 ft wide.

Location

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CarriesI-93 SB
CrossesPelham Road
Location1.1 M N of JCT Rt 38
RouteInterstate 93
CountyRockingham County
StateNew Hampshire
Coordinates42.77728, -71.24503
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating77.2 US tons
Inventory rating46.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length155 ft (47.2 m)
Longest span150 ft (45.7 m)
Deck width75 ft (22.9 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,252 (2023)
Projected traffic69,932 by 2043
Trucks9%
Lanes on structure4
Traffic directionOne-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 SB over Pelham Road built?

It was built in 2014, making it 11 years old in 2025.

What condition is I-93 SB over Pelham Road 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 SB over Pelham Road carry?

About 47,252 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-93 SB over Pelham Road?

The structure is 155 ft (47.2 m) long with a longest span of 150 ft (45.7 m) and a deck 75 ft wide.

Who owns I-93 SB over Pelham Road?

It is owned by the State Highway Agency.