US Bridges

Main ST over Pedestrian Walkway

Poor

Androscoggin County, Maine · .1 MI W Townline · Structure no. 0057

Built
1975
50 years old
Condition
Poor
inspected November 2024
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
19,242
2016 count
Owner
State
State Highway Agency

About this bridge

Main ST over Pedestrian Walkway is a prestressed concrete slab carrying Main ST over Pedestrian Walkway in Androscoggin County, Maine. It was built in 1975, so it is 50 years old, younger 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 19,242 vehicles a day, roughly 9% of them trucks, projected to reach 26,939 by 2036. The structure is 28 ft (8.4 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMain ST
CrossesPedestrian Walkway
Location.1 MI W Townline
RouteState Highway 136
CountyAndroscoggin County
StateMaine
Coordinates44.09196, -70.22609
Functional classUrban Other Principal Arterial

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length28 ft (8.4 m)
Longest span20 ft (6 m)
Deck width73 ft (22.4 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,242 (2016)
Projected traffic26,939 by 2036
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Main ST over Pedestrian Walkway built?

It was built in 1975, making it 50 years old in 2025.

What condition is Main ST over Pedestrian Walkway 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 November 2024.

How much traffic does Main ST over Pedestrian Walkway carry?

About 19,242 vehicles per day (2016 count), of which roughly 9% are trucks.

How long is Main ST over Pedestrian Walkway?

The structure is 28 ft (8.4 m) long with a longest span of 20 ft (6 m) and a deck 73 ft wide.

Who owns Main ST over Pedestrian Walkway?

It is owned by the State Highway Agency.