US Bridges

Boyle RD over Great Works River

Fair

York County, Maine · .7 MI N JCT 4 · Structure no. 5170

Built
1928
97 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
25 ft
2 main spans
Daily traffic
294
2016 count
Owner
State
State Highway Agency

About this bridge

Boyle RD over Great Works River is a concrete slab carrying Boyle RD over Great Works River in York County, Maine. It was built in 1928, so it is 97 years old, older 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 5 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 294 vehicles a day, roughly 5% of them trucks, projected to reach 470 by 2036. The structure is 25 ft (7.6 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesBoyle RD
CrossesGreat Works River
Location.7 MI N JCT 4
RouteCity Street 0
CountyYork County
StateMaine
Coordinates43.34476, -70.74293
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating34.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span10 ft (2.9 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic294 (2016)
Projected traffic470 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Boyle RD over Great Works River built?

It was built in 1928, making it 97 years old in 2025.

What condition is Boyle RD over Great Works River 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 October 2023.

How much traffic does Boyle RD over Great Works River carry?

About 294 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Boyle RD over Great Works River?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (2.9 m) and a deck 23 ft wide.

Who owns Boyle RD over Great Works River?

It is owned by the State Highway Agency.