US Bridges

Forest Av over Presumpscot River

Fair

Cumberland County, Maine · Portland-Westbrook · Structure no. 2932

Built
1994
31 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
177 ft
2 main spans
Daily traffic
9,955
2016 count
Owner
State
State Highway Agency

About this bridge

Forest Av over Presumpscot River is a steel continuous stringer/multi-beam or girder carrying Forest Av over Presumpscot River in Cumberland County, Maine. It was built in 1994, so it is 31 years old, younger 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 9,955 vehicles a day, roughly 5% of them trucks, projected to reach 13,937 by 2036. The structure is 177 ft (53.8 m) long and 77 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesForest Av
CrossesPresumpscot River
LocationPortland-Westbrook
RouteState Highway 302
CountyCumberland County
StateMaine
Coordinates43.70333, -70.32479
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating55.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length177 ft (53.8 m)
Longest span86 ft (26.1 m)
Deck width77 ft (23.5 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,955 (2016)
Projected traffic13,937 by 2036
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed29.8 mi (48 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Forest Av over Presumpscot River built?

It was built in 1994, making it 31 years old in 2025.

What condition is Forest Av over Presumpscot River 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 December 2023.

How much traffic does Forest Av over Presumpscot River carry?

About 9,955 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Forest Av over Presumpscot River?

The structure is 177 ft (53.8 m) long with a longest span of 86 ft (26.1 m) and a deck 77 ft wide.

Who owns Forest Av over Presumpscot River?

It is owned by the State Highway Agency.