US Bridges

Main ST over Wilson Stream

Poor

Franklin County, Maine · At JCT of Prospect Street · Structure no. 2336

Built
1958
67 years old
Condition
Poor
inspected July 2024
Type
Tee Beam
Concrete
Length
61 ft
2 main spans
Daily traffic
2,854
2016 count
Owner
State
State Highway Agency

About this bridge

Main ST over Wilson Stream is a concrete tee beam carrying Main ST over Wilson Stream in Franklin County, Maine. It was built in 1958, so it is 67 years old, older than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,854 vehicles a day, roughly 5% of them trucks, projected to reach 3,996 by 2036. The structure is 61 ft (18.5 m) long and 70 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMain ST
CrossesWilson Stream
LocationAt JCT of Prospect Street
RouteCounty Highway 0
CountyFranklin County
StateMaine
Coordinates44.58663, -70.23163
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length61 ft (18.5 m)
Longest span28 ft (8.5 m)
Deck width70 ft (21.3 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,854 (2016)
Projected traffic3,996 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Main ST over Wilson Stream built?

It was built in 1958, making it 67 years old in 2025.

What condition is Main ST over Wilson Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Main ST over Wilson Stream carry?

About 2,854 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Main ST over Wilson Stream?

The structure is 61 ft (18.5 m) long with a longest span of 28 ft (8.5 m) and a deck 70 ft wide.

Who owns Main ST over Wilson Stream?

It is owned by the State Highway Agency.