US Bridges

Ramp on from Westb over Westbrook Street

Good

Cumberland County, Maine · South Portland · Structure no. 6449

Built
2014
11 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
127 ft
1 main span
Daily traffic
10,120
2016 count
Owner
State
State Highway Agency

About this bridge

Ramp on from Westb over Westbrook Street is a steel stringer/multi-beam or girder carrying Ramp on from Westb over Westbrook Street in Cumberland County, Maine. It was built in 2014, so it is 11 years old, younger than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,120 vehicles a day, roughly 10% of them trucks, projected to reach 14,168 by 2036. The structure is 127 ft (38.8 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRamp on from Westb
CrossesWestbrook Street
LocationSouth Portland
RouteState Highway 29
StateMaine
Coordinates43.63092, -70.31181
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating63.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length127 ft (38.8 m)
Longest span124 ft (37.9 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,120 (2016)
Projected traffic14,168 by 2036
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 Ramp on from Westb over Westbrook Street built?

It was built in 2014, making it 11 years old in 2025.

What condition is Ramp on from Westb over Westbrook Street in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Ramp on from Westb over Westbrook Street carry?

About 10,120 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is Ramp on from Westb over Westbrook Street?

The structure is 127 ft (38.8 m) long with a longest span of 124 ft (37.9 m) and a deck 29 ft wide.

Who owns Ramp on from Westb over Westbrook Street?

It is owned by the State Highway Agency.