US Bridges

I-93 SB Off Ramp over South Policy Street

Good

Rockingham County, New Hampshire · 0.25MI S. of JCT Rt 38 · Structure no. 022800830006100

Built
1965
60 years old, rebuilt 2009
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
146 ft
3 main spans
Daily traffic
3,861
2023 count
Owner
State
State Highway Agency

About this bridge

I-93 SB Off Ramp over South Policy Street is a steel continuous stringer/multi-beam or girder carrying I-93 SB Off Ramp over South Policy Street in Rockingham County, New Hampshire. It was built in 1965 and reconstructed in 2009, so it is 60 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 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 3,861 vehicles a day, roughly 4% of them trucks, projected to reach 5,714 by 2043. The structure is 146 ft (44.5 m) long and 27 ft wide.

CarriesI-93 SB Off Ramp
CrossesSouth Policy Street
Location0.25MI S. of JCT Rt 38
RouteInterstate 93
Coordinates42.76326, -71.23137
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.7 US tons
Inventory rating50.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length146 ft (44.5 m)
Longest span60 ft (18.3 m)
Deck width27 ft (8.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,861 (2023)
Projected traffic5,714 by 2043
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Off Ramp over South Policy Street built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2009.

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

About 3,861 vehicles per day (2023 count), of which roughly 4% are trucks.

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

The structure is 146 ft (44.5 m) long with a longest span of 60 ft (18.3 m) and a deck 27 ft wide.

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

It is owned by the State Highway Agency.