US Bridges

Chadbourne RD over Canal Outlet of Sebago L

Fair

Cumberland County, Maine · .3 MI Swly Windham T.L. · Structure no. 2123

Built
1987
38 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
132 ft
1 main span
Daily traffic
9,584
2016 count
Owner
State
State Highway Agency

About this bridge

Chadbourne RD over Canal Outlet of Sebago L is a steel stringer/multi-beam or girder carrying Chadbourne RD over Canal Outlet of Sebago L in Cumberland County, Maine. It was built in 1987, so it is 38 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 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 9,584 vehicles a day, roughly 5% of them trucks, projected to reach 13,418 by 2036. The structure is 132 ft (40.1 m) long and 37 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesChadbourne RD
CrossesCanal Outlet of Sebago L
Location.3 MI Swly Windham T.L.
RouteCounty Highway 35
StateMaine
Coordinates43.82617, -70.45313
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length132 ft (40.1 m)
Longest span124 ft (37.8 m)
Deck width37 ft (11.2 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,584 (2016)
Projected traffic13,418 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Chadbourne RD over Canal Outlet of Sebago L built?

It was built in 1987, making it 38 years old in 2025.

What condition is Chadbourne RD over Canal Outlet of Sebago L 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 2024.

How much traffic does Chadbourne RD over Canal Outlet of Sebago L carry?

About 9,584 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Chadbourne RD over Canal Outlet of Sebago L?

The structure is 132 ft (40.1 m) long with a longest span of 124 ft (37.8 m) and a deck 37 ft wide.

Who owns Chadbourne RD over Canal Outlet of Sebago L?

It is owned by the State Highway Agency.