US Bridges

Forest ST over Westbrook Arterial

Fair

Cumberland County, Maine · 0.5 MI S of JCT RTE 25 · Structure no. 1545

Built
1976
49 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
232 ft
2 main spans
Daily traffic
3,720
2016 count
Owner
State
State Highway Agency

About this bridge

Forest ST over Westbrook Arterial is a steel continuous stringer/multi-beam or girder carrying Forest ST over Westbrook Arterial in Cumberland County, Maine. It was built in 1976, so it is 49 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 3,720 vehicles a day, roughly 5% of them trucks, projected to reach 5,208 by 2036. The structure is 232 ft (70.8 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesForest ST
CrossesWestbrook Arterial
Location0.5 MI S of JCT RTE 25
RouteCounty Highway 0
CountyCumberland County
StateMaine
Coordinates43.67257, -70.34916
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length232 ft (70.8 m)
Longest span119 ft (36.3 m)
Deck width39 ft (11.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,720 (2016)
Projected traffic5,208 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Forest ST over Westbrook Arterial built?

It was built in 1976, making it 49 years old in 2025.

What condition is Forest ST over Westbrook Arterial 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 November 2024.

How much traffic does Forest ST over Westbrook Arterial carry?

About 3,720 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Forest ST over Westbrook Arterial?

The structure is 232 ft (70.8 m) long with a longest span of 119 ft (36.3 m) and a deck 39 ft wide.

Who owns Forest ST over Westbrook Arterial?

It is owned by the State Highway Agency.