US Bridges

S Main ST over Little Androscoggin Riv

Good

Androscoggin County, Maine · 0.3 MI S of JCT RTE 121 · Structure no. 5009

Built
1998
27 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
179 ft
2 main spans
Daily traffic
4,004
2016 count
Owner
State
State Highway Agency

About this bridge

S Main ST over Little Androscoggin Riv is a steel continuous stringer/multi-beam or girder carrying S Main ST over Little Androscoggin Riv in Androscoggin County, Maine. It was built in 1998, so it is 27 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,004 vehicles a day, roughly 5% of them trucks, projected to reach 5,606 by 2036. The structure is 179 ft (54.6 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesS Main ST
CrossesLittle Androscoggin Riv
Location0.3 MI S of JCT RTE 121
RouteState Highway 11
StateMaine
Coordinates44.10516, -70.39278
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.7 US tons
Inventory rating53.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length179 ft (54.6 m)
Longest span89 ft (27 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,004 (2016)
Projected traffic5,606 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S Main ST over Little Androscoggin Riv built?

It was built in 1998, making it 27 years old in 2025.

What condition is S Main ST over Little Androscoggin Riv 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 August 2024.

How much traffic does S Main ST over Little Androscoggin Riv carry?

About 4,004 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is S Main ST over Little Androscoggin Riv?

The structure is 179 ft (54.6 m) long with a longest span of 89 ft (27 m) and a deck 36 ft wide.

Who owns S Main ST over Little Androscoggin Riv?

It is owned by the State Highway Agency.