US Bridges

Main ST over Carabasset Stream

Good

Somerset County, Maine · 0.1 MI E of Wly JCT 23 · Structure no. 2120

Built
2022
3 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
5,628
2016 count
Owner
State
State Highway Agency

About this bridge

Main ST over Carabasset Stream is a prestressed concrete tee beam carrying Main ST over Carabasset Stream in Somerset County, Maine. It was built in 2022, so it is 3 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 5,628 vehicles a day, roughly 5% of them trucks, projected to reach 7,879 by 2036. The structure is 64 ft (19.5 m) long and 40 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesMain ST
CrossesCarabasset Stream
Location0.1 MI E of Wly JCT 23
RouteState Highway 2
StateMaine
Coordinates44.76224, -69.5612
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating42.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length64 ft (19.5 m)
Longest span60 ft (18.3 m)
Deck width40 ft (12.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,628 (2016)
Projected traffic7,879 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed62.1 mi (100 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 Carabasset Stream built?

It was built in 2022, making it 3 years old in 2025.

What condition is Main ST over Carabasset Stream 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 Main ST over Carabasset Stream carry?

About 5,628 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Main ST over Carabasset Stream?

The structure is 64 ft (19.5 m) long with a longest span of 60 ft (18.3 m) and a deck 40 ft wide.

Who owns Main ST over Carabasset Stream?

It is owned by the State Highway Agency.