US Bridges

Harpswell Island R over Wills Strait (atl Ocean)

Fair

Cumberland County, Maine · 24 over Wills Strait · Structure no. 2033

Built
1926
99 years old, rebuilt 2010
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
1,167 ft
1 main span
Daily traffic
2,038
2016 count
Owner
State
State Highway Agency

About this bridge

Harpswell Island R over Wills Strait (atl Ocean) is a concrete tee beam carrying Harpswell Island R over Wills Strait (atl Ocean) in Cumberland County, Maine. It was built in 1926 and reconstructed in 2010, so it is 99 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 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 2,038 vehicles a day, roughly 5% of them trucks, projected to reach 2,853 by 2036. The structure is 1,167 ft (355.7 m) long and 28 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesHarpswell Island R
CrossesWills Strait (atl Ocean)
Location24 over Wills Strait
RouteCounty Highway 24
StateMaine
Coordinates43.74943, -69.9885
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.7 US tons
Inventory rating53.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1 (+78 approach)
Design loadGreater than HL 93
Structure length1,167 ft (355.7 m)
Longest span52 ft (15.9 m)
Deck width28 ft (8.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,038 (2016)
Projected traffic2,853 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Harpswell Island R over Wills Strait (atl Ocean) built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 2010.

What condition is Harpswell Island R over Wills Strait (atl Ocean) 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 September 2024.

How much traffic does Harpswell Island R over Wills Strait (atl Ocean) carry?

About 2,038 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Harpswell Island R over Wills Strait (atl Ocean)?

The structure is 1,167 ft (355.7 m) long with a longest span of 52 ft (15.9 m) and a deck 28 ft wide.

Who owns Harpswell Island R over Wills Strait (atl Ocean)?

It is owned by the State Highway Agency.