US Bridges

N Main ST over Androscoggin River

Good

Oxford County, Maine · 150 Ft Sly of JCT US2 · Structure no. 2019

Built
2018
7 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
607 ft
3 main spans
Daily traffic
6,430
2014 count
Owner
State
State Highway Agency

About this bridge

N Main ST over Androscoggin River is a steel stringer/multi-beam or girder carrying N Main ST over Androscoggin River in Oxford County, Maine. It was built in 2018, so it is 7 years old, younger than the Maine average of 53.7 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 6,430 vehicles a day, roughly 9% of them trucks, projected to reach 7,615 by 2036. The structure is 607 ft (185.1 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesN Main ST
CrossesAndroscoggin River
Location150 Ft Sly of JCT US2
RouteState Highway 0
StateMaine
Coordinates44.53, -70.4642
Functional classRural Minor Arterial

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length607 ft (185.1 m)
Longest span230 ft (70.1 m)
Deck width43 ft (13.2 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,430 (2014)
Projected traffic7,615 by 2036
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N Main ST over Androscoggin River built?

It was built in 2018, making it 7 years old in 2025.

What condition is N Main ST over Androscoggin River 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 March 2024.

How much traffic does N Main ST over Androscoggin River carry?

About 6,430 vehicles per day (2014 count), of which roughly 9% are trucks.

How long is N Main ST over Androscoggin River?

The structure is 607 ft (185.1 m) long with a longest span of 230 ft (70.1 m) and a deck 43 ft wide.

Who owns N Main ST over Androscoggin River?

It is owned by the State Highway Agency.