US Bridges

Woodbury Avenue over US 1 Bypass

Good

Rockingham County, New Hampshire · 0.6 MI from Maine Sl · Structure no. 021702050011600

Built
2020
5 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
116 ft
2 main spans
Daily traffic
5,190
2023 count
Owner
State
State Highway Agency

About this bridge

Woodbury Avenue over US 1 Bypass is a steel continuous stringer/multi-beam or girder carrying Woodbury Avenue over US 1 Bypass in Rockingham County, New Hampshire. It was built in 2020, so it is 5 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 5,190 vehicles a day, roughly 5% of them trucks, projected to reach 7,681 by 2043. The structure is 116 ft (35.3 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWoodbury Avenue
CrossesUS 1 Bypass
Location0.6 MI from Maine Sl
RouteCity Street 0
CountyRockingham County
StateNew Hampshire
Coordinates43.0747, -70.7783
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 alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating54.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length116 ft (35.3 m)
Longest span55 ft (16.8 m)
Deck width54 ft (16.5 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,190 (2023)
Projected traffic7,681 by 2043
Trucks5%
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 Woodbury Avenue over US 1 Bypass built?

It was built in 2020, making it 5 years old in 2025.

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

About 5,190 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Woodbury Avenue over US 1 Bypass?

The structure is 116 ft (35.3 m) long with a longest span of 55 ft (16.8 m) and a deck 54 ft wide.

Who owns Woodbury Avenue over US 1 Bypass?

It is owned by the State Highway Agency.