US Bridges

Maplewood Avenue over US 1 Bypass

Good

Rockingham County, New Hampshire · .8 MI from JCT Nh 16 · Structure no. 021702270011200

Built
2015
10 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
136 ft
2 main spans
Daily traffic
8,230
2023 count
Owner
State
State Highway Agency

About this bridge

Maplewood Avenue over US 1 Bypass is a steel continuous stringer/multi-beam or girder carrying Maplewood Avenue over US 1 Bypass in Rockingham County, New Hampshire. It was built in 2015, so it is 10 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 8,230 vehicles a day, roughly 3% of them trucks, projected to reach 12,180 by 2043. The structure is 136 ft (41.5 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMaplewood Avenue
CrossesUS 1 Bypass
Location.8 MI from JCT Nh 16
RouteCity Street 0
CountyRockingham County
StateNew Hampshire
Coordinates43.08061, -70.76965
Functional classUrban Collector

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating69.7 US tons
Inventory rating53.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length136 ft (41.5 m)
Longest span65 ft (19.8 m)
Deck width49 ft (15 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,230 (2023)
Projected traffic12,180 by 2043
Trucks3%
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 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 Maplewood Avenue over US 1 Bypass built?

It was built in 2015, making it 10 years old in 2025.

What condition is Maplewood Avenue over US 1 Bypass 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 Maplewood Avenue over US 1 Bypass carry?

About 8,230 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Maplewood Avenue over US 1 Bypass?

The structure is 136 ft (41.5 m) long with a longest span of 65 ft (19.8 m) and a deck 49 ft wide.

Who owns Maplewood Avenue over US 1 Bypass?

It is owned by the State Highway Agency.