US Bridges

Main ST over Little Androscoggin Ri

Fair

Androscoggin County, Maine · 0.4 MI S JCT of RTE 202 · Structure no. 3895

Built
1948
77 years old, rebuilt 1991
Condition
Fair
inspected November 2024
Type
Girder and Floorbeam System
Steel
Length
94 ft
1 main span
Daily traffic
14,062
2021 count
Owner
State
State Highway Agency

About this bridge

Main ST over Little Androscoggin Ri is a steel girder and floorbeam system carrying Main ST over Little Androscoggin Ri in Androscoggin County, Maine. It was built in 1948 and reconstructed in 1991, so it is 77 years old, older than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 14,062 vehicles a day, roughly 9% of them trucks, projected to reach 26,212 by 2036. The structure is 94 ft (28.8 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMain ST
CrossesLittle Androscoggin Ri
Location0.4 MI S JCT of RTE 202
RouteState Highway 136
StateMaine
Coordinates44.08807, -70.22529
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.5 US tons
Inventory rating36.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length94 ft (28.8 m)
Longest span90 ft (27.4 m)
Deck width66 ft (20.1 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,062 (2021)
Projected traffic26,212 by 2036
Trucks9%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Main ST over Little Androscoggin Ri built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1991.

What condition is Main ST over Little Androscoggin Ri in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Main ST over Little Androscoggin Ri carry?

About 14,062 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Main ST over Little Androscoggin Ri?

The structure is 94 ft (28.8 m) long with a longest span of 90 ft (27.4 m) and a deck 66 ft wide.

Who owns Main ST over Little Androscoggin Ri?

It is owned by the State Highway Agency.