US Bridges

I-495 (wb) over Presumscot Riv/Falmouth

Fair

Cumberland County, Maine · 0.505 MI W of Falmouth RD · Structure no. 0281

Built
1956
69 years old, rebuilt 2012
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
360 ft
4 main spans
Daily traffic
5,770
2016 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-495 (wb) over Presumscot Riv/Falmouth is a steel continuous stringer/multi-beam or girder carrying I-495 (wb) over Presumscot Riv/Falmouth in Cumberland County, Maine. It was built in 1956 and reconstructed in 2012, so it is 69 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 6 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 5,770 vehicles a day, roughly 5% of them trucks, projected to reach 8,078 by 2036. The structure is 360 ft (109.7 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-495 (wb)
CrossesPresumscot Riv/Falmouth
Location0.505 MI W of Falmouth RD
CountyCumberland County
StateMaine
Coordinates43.72781, -70.28537
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length360 ft (109.7 m)
Longest span100 ft (30.5 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,770 (2016)
Projected traffic8,078 by 2036
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 I-495 (wb) over Presumscot Riv/Falmouth built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2012.

What condition is I-495 (wb) over Presumscot Riv/Falmouth 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 May 2023.

How much traffic does I-495 (wb) over Presumscot Riv/Falmouth carry?

About 5,770 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is I-495 (wb) over Presumscot Riv/Falmouth?

The structure is 360 ft (109.7 m) long with a longest span of 100 ft (30.5 m) and a deck 35 ft wide.

Who owns I-495 (wb) over Presumscot Riv/Falmouth?

It is owned by the State Toll Authority.