US Bridges

N Auburn RD over Wilson Stream

Fair

Androscoggin County, Maine · 50 Ft N Lake Shore DR · Structure no. 5863

Built
1960
65 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
1,212
2016 count
Owner
State
State Highway Agency

About this bridge

N Auburn RD over Wilson Stream is a concrete slab carrying N Auburn RD over Wilson Stream in Androscoggin County, Maine. It was built in 1960, so it is 65 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 1,212 vehicles a day, roughly 5% of them trucks, projected to reach 1,818 by 2036. The structure is 23 ft (7 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesN Auburn RD
CrossesWilson Stream
Location50 Ft N Lake Shore DR
RouteCity Street 0
CountyAndroscoggin County
StateMaine
Coordinates44.17583, -70.27475
Functional classUrban 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
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 protection7 GoodSome minor problems.
Last inspectionJune 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,212 (2016)
Projected traffic1,818 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 N Auburn RD over Wilson Stream built?

It was built in 1960, making it 65 years old in 2025.

What condition is N Auburn RD over Wilson Stream 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 N Auburn RD over Wilson Stream carry?

About 1,212 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is N Auburn RD over Wilson Stream?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 36 ft wide.

Who owns N Auburn RD over Wilson Stream?

It is owned by the State Highway Agency.