US Bridges

Sinnott RD over Boston & Maine Railroad

Good

York County, Maine · 1.1 MI E of JCT US1 · Structure no. 1273

Built
1995
30 years old
Condition
Good
inspected August 2023
Type
Frame
Concrete
Length
51 ft
1 main span
Daily traffic
2,712
2016 count
Owner
Railroad
Railroad

About this bridge

Sinnott RD over Boston & Maine Railroad is a concrete frame carrying Sinnott RD over Boston & Maine Railroad in York County, Maine. It was built in 1995, so it is 30 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 2,712 vehicles a day, roughly 5% of them trucks, projected to reach 3,797 by 2036. The structure is 51 ft (15.5 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSinnott RD
CrossesBoston & Maine Railroad
Location1.1 MI E of JCT US1
RouteCity Street 0
CountyYork County
StateMaine
Coordinates43.40624, -70.50844
Functional classRural Local

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.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating82.5 US tons
Inventory rating63.6 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length51 ft (15.5 m)
Longest span47 ft (14.3 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,712 (2016)
Projected traffic3,797 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sinnott RD over Boston & Maine Railroad built?

It was built in 1995, making it 30 years old in 2025.

What condition is Sinnott RD over Boston & Maine Railroad 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 2023.

How much traffic does Sinnott RD over Boston & Maine Railroad carry?

About 2,712 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Sinnott RD over Boston & Maine Railroad?

The structure is 51 ft (15.5 m) long with a longest span of 47 ft (14.3 m) and a deck 31 ft wide.

Who owns Sinnott RD over Boston & Maine Railroad?

It is owned by the Railroad and maintained by the State Highway Agency.