US Bridges

Main ST over Cascade Str

PoorClosed to traffic

Franklin County, Maine · 200 Feet E Rt 4 · Structure no. 0373

Built
1934
91 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
26
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Main ST over Cascade Str is a steel stringer/multi-beam or girder carrying Main ST over Cascade Str in Franklin County, Maine. It was built in 1934, so it is 91 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 3 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. Its operating status is: closed to all traffic.

It carries about 26 vehicles a day, roughly 5% of them trucks, projected to reach 42 by 2036. The structure is 28 ft (8.5 m) long and 23 ft wide.

CarriesMain ST
CrossesCascade Str
Location200 Feet E Rt 4
RouteCity Street 0
StateMaine
Coordinates44.92321, -70.61124
Functional classRural Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23.3 US tons
Inventory rating18.2 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span24 ft (7.3 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2016)
Projected traffic42 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Main ST over Cascade Str built?

It was built in 1934, making it 91 years old in 2025.

What condition is Main ST over Cascade Str 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 September 2024.

How much traffic does Main ST over Cascade Str carry?

About 26 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Main ST over Cascade Str?

The structure is 28 ft (8.5 m) long with a longest span of 24 ft (7.3 m) and a deck 23 ft wide.

Who owns Main ST over Cascade Str?

It is owned by the Town or Township Highway Agency.