US Bridges

Sherburne Road over I-95

Good

Rockingham County, New Hampshire · 2.8MI S of Maine S/L · Structure no. 021701440012500

Built
1971
54 years old, rebuilt 2011
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
243 ft
2 main spans
Daily traffic
1,639
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Sherburne Road over I-95 is a steel continuous stringer/multi-beam or girder carrying Sherburne Road over I-95 in Rockingham County, New Hampshire. It was built in 1971 and reconstructed in 2011, so it is 54 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 1,639 vehicles a day, roughly 4% of them trucks, projected to reach 2,425 by 2043. The structure is 243 ft (74.1 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSherburne Road
CrossesI-95
Location2.8MI S of Maine S/L
RouteCity Street 0
CountyRockingham County
StateNew Hampshire
Coordinates43.06023, -70.80089
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating44.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length243 ft (74.1 m)
Longest span125 ft (38.1 m)
Deck width48 ft (14.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,639 (2023)
Projected traffic2,425 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Sherburne Road over I-95 built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2011.

What condition is Sherburne Road over I-95 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 June 2023.

How much traffic does Sherburne Road over I-95 carry?

About 1,639 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Sherburne Road over I-95?

The structure is 243 ft (74.1 m) long with a longest span of 125 ft (38.1 m) and a deck 48 ft wide.

Who owns Sherburne Road over I-95?

It is owned by the State Toll Authority.