US Bridges

Dingley Island RD over Dingley Cove

Fair

Cumberland County, Maine · 1 MI E of Cundys Hrb RD · Structure no. 6430

Built
2006
19 years old
Condition
Fair
inspected August 2023
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
201
2016 count
Owner
State
State Highway Agency

About this bridge

Dingley Island RD over Dingley Cove is a prestressed concrete slab carrying Dingley Island RD over Dingley Cove in Cumberland County, Maine. It was built in 2006, so it is 19 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 201 vehicles a day, roughly 5% of them trucks, projected to reach 322 by 2036. The structure is 28 ft (8.5 m) long and 28 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesDingley Island RD
CrossesDingley Cove
Location1 MI E of Cundys Hrb RD
RouteCity Street 0
StateMaine
Coordinates43.81713, -69.88572
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating28.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic201 (2016)
Projected traffic322 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Dingley Island RD over Dingley Cove built?

It was built in 2006, making it 19 years old in 2025.

What condition is Dingley Island RD over Dingley Cove 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 August 2023.

How much traffic does Dingley Island RD over Dingley Cove carry?

About 201 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Dingley Island RD over Dingley Cove?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 28 ft wide.

Who owns Dingley Island RD over Dingley Cove?

It is owned by the State Highway Agency.