US Bridges

I-93 NB Off Ramp over South Policy Street

Good

Rockingham County, New Hampshire · 0.25MI S. of JCT Rt 38 · Structure no. 022800840006100

Built
1961
64 years old, rebuilt 2008
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
151 ft
3 main spans
Daily traffic
15,304
2023 count
Owner
State
State Highway Agency

About this bridge

I-93 NB Off Ramp over South Policy Street is a steel stringer/multi-beam or girder carrying I-93 NB Off Ramp over South Policy Street in Rockingham County, New Hampshire. It was built in 1961 and reconstructed in 2008, so it is 64 years old, older 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 15,304 vehicles a day, roughly 6% of them trucks, projected to reach 22,649 by 2043. The structure is 151 ft (46 m) long and 51 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI-93 NB Off Ramp
CrossesSouth Policy Street
Location0.25MI S. of JCT Rt 38
RouteCity Street 93
CountyRockingham County
StateNew Hampshire
Coordinates42.76316, -71.23133
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.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.7 US tons
Inventory rating50.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length151 ft (46 m)
Longest span59 ft (18 m)
Deck width51 ft (15.5 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,304 (2023)
Projected traffic22,649 by 2043
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
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 NB Off Ramp over South Policy Street built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2008.

What condition is I-93 NB Off Ramp over South Policy 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 NB Off Ramp over South Policy Street carry?

About 15,304 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I-93 NB Off Ramp over South Policy Street?

The structure is 151 ft (46 m) long with a longest span of 59 ft (18 m) and a deck 51 ft wide.

Who owns I-93 NB Off Ramp over South Policy Street?

It is owned by the State Highway Agency.