US Bridges

Main ST over Androscoggin River

PoorPosted for load

Cumberland County, Maine · .2 MI N US 1 · Structure no. 2016

Built
1931
94 years old, rebuilt 1985
Condition
Poor
inspected October 2024
Type
Truss - Thru
Steel
Length
803 ft
3 main spans
Daily traffic
16,790
2016 count
Owner
State
State Highway Agency

About this bridge

Main ST over Androscoggin River is a steel truss - thru carrying Main ST over Androscoggin River in Cumberland County, Maine. It was built in 1931 and reconstructed in 1985, so it is 94 years old, older than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 16,790 vehicles a day, roughly 5% of them trucks, projected to reach 23,506 by 2036. The structure is 803 ft (244.7 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMain ST
CrossesAndroscoggin River
Location.2 MI N US 1
RouteState Highway 201
StateMaine
Coordinates43.9211, -69.96581
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating24.7 US tons
Inventory rating19 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckClosed grating
Main spans3
Design loadHS 20
Structure length803 ft (244.7 m)
Longest span315 ft (95.9 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic16,790 (2016)
Projected traffic23,506 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Main ST over Androscoggin River built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1985.

What condition is Main ST over Androscoggin River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Main ST over Androscoggin River carry?

About 16,790 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Main ST over Androscoggin River?

The structure is 803 ft (244.7 m) long with a longest span of 315 ft (95.9 m) and a deck 31 ft wide.

Who owns Main ST over Androscoggin River?

It is owned by the State Highway Agency.