US Bridges

Lake Shore DR over Inlet to Lake Auburn

Fair

Androscoggin County, Maine · 2.6 MI W of JCT RTE 4 · Structure no. 5454

Built
1952
73 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
1,141
2016 count
Owner
State
State Highway Agency

About this bridge

Lake Shore DR over Inlet to Lake Auburn is a concrete slab carrying Lake Shore DR over Inlet to Lake Auburn in Androscoggin County, Maine. It was built in 1952, so it is 73 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 1,141 vehicles a day, roughly 8% of them trucks, projected to reach 1,712 by 2036. The structure is 23 ft (7.1 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLake Shore DR
CrossesInlet to Lake Auburn
Location2.6 MI W of JCT RTE 4
RouteCounty Highway 0
CountyAndroscoggin County
StateMaine
Coordinates44.17542, -70.27453
Functional classUrban 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length23 ft (7.1 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,141 (2016)
Projected traffic1,712 by 2036
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Lake Shore DR over Inlet to Lake Auburn built?

It was built in 1952, making it 73 years old in 2025.

What condition is Lake Shore DR over Inlet to Lake Auburn 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 June 2024.

How much traffic does Lake Shore DR over Inlet to Lake Auburn carry?

About 1,141 vehicles per day (2016 count), of which roughly 8% are trucks.

How long is Lake Shore DR over Inlet to Lake Auburn?

The structure is 23 ft (7.1 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Lake Shore DR over Inlet to Lake Auburn?

It is owned by the State Highway Agency.