US Bridges

Main ST over M C RR & a Marsh

Good

Sagadahoc County, Maine · 1.1 MI NE of Bath T L · Structure no. 3039

Built
2024
1 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
627 ft
5 main spans
Daily traffic
18,940
2016 count
Owner
State
State Highway Agency

About this bridge

Main ST over M C RR & a Marsh is a steel stringer/multi-beam or girder carrying Main ST over M C RR & a Marsh in Sagadahoc County, Maine. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 18,940 vehicles a day, roughly 5% of them trucks, projected to reach 26,516 by 2036. The structure is 627 ft (191.1 m) long and 43 ft wide. If it were closed, the detour would be 57.8 mi (93 km).

CarriesMain ST
CrossesM C RR & a Marsh
Location1.1 MI NE of Bath T L
RouteState Highway 1
StateMaine
Coordinates43.92301, -69.7971
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadGreater than HL 93
Structure length627 ft (191.1 m)
Longest span182 ft (55.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,940 (2016)
Projected traffic26,516 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed57.8 mi (93 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Main ST over M C RR & a Marsh built?

It was built in 2024, making it 1 years old in 2025.

What condition is Main ST over M C RR & a Marsh 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 September 2024.

How much traffic does Main ST over M C RR & a Marsh carry?

About 18,940 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Main ST over M C RR & a Marsh?

The structure is 627 ft (191.1 m) long with a longest span of 182 ft (55.5 m) and a deck 43 ft wide.

Who owns Main ST over M C RR & a Marsh?

It is owned by the State Highway Agency.