US Bridges

Blackberry Hill RD over Boston and Maine RR

Fair

York County, Maine · 0.2 MI N of JCT RTE 4 · Structure no. 1233

Built
1981
44 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
192 ft
3 main spans
Daily traffic
1,580
2016 count
Owner
Railroad
Railroad

About this bridge

Blackberry Hill RD over Boston and Maine RR is a steel continuous stringer/multi-beam or girder carrying Blackberry Hill RD over Boston and Maine RR in York County, Maine. It was built in 1981, so it is 44 years old, younger 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 6 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 1,580 vehicles a day, roughly 5% of them trucks, projected to reach 2,370 by 2036. The structure is 192 ft (58.4 m) long and 31 ft wide.

Location

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CarriesBlackberry Hill RD
CrossesBoston and Maine RR
Location0.2 MI N of JCT RTE 4
RouteCity Street 0
CountyYork County
StateMaine
Coordinates43.25221, -70.79818
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.2 US tons
Inventory rating56.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length192 ft (58.4 m)
Longest span124 ft (37.8 m)
Deck width31 ft (9.4 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,580 (2016)
Projected traffic2,370 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
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 Blackberry Hill RD over Boston and Maine RR built?

It was built in 1981, making it 44 years old in 2025.

What condition is Blackberry Hill RD over Boston and Maine RR 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 July 2023.

How much traffic does Blackberry Hill RD over Boston and Maine RR carry?

About 1,580 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Blackberry Hill RD over Boston and Maine RR?

The structure is 192 ft (58.4 m) long with a longest span of 124 ft (37.8 m) and a deck 31 ft wide.

Who owns Blackberry Hill RD over Boston and Maine RR?

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