US Bridges

Welch ST over Casco Bay/Atlantic Ocean

Fair

Cumberland County, Maine · Forest City Landing · Structure no. 6348

Built
1993
32 years old
Condition
Fair
inspected June 2024
Type
Movable - Lift
Steel Continuous
Length
105 ft
2 main spans
Daily traffic
11
2016 count
Owner
State
State Highway Agency

About this bridge

Welch ST over Casco Bay/Atlantic Ocean is a steel continuous movable - lift carrying Welch ST over Casco Bay/Atlantic Ocean in Cumberland County, Maine. It was built in 1993, so it is 32 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 11 vehicles a day, roughly 5% of them trucks, projected to reach 18 by 2036. The structure is 105 ft (32 m) long and 12 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesWelch ST
CrossesCasco Bay/Atlantic Ocean
LocationForest City Landing
RouteCity Street 0
CountyCumberland County
StateMaine
Coordinates43.65541, -70.19986
Functional classUrban Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeMovable - Lift
MaterialSteel Continuous
DeckOpen grating
Main spans2 (+1 approach)
Design loadHS 20
Structure length105 ft (32 m)
Longest span55 ft (16.8 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic11 (2016)
Projected traffic18 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Welch ST over Casco Bay/Atlantic Ocean built?

It was built in 1993, making it 32 years old in 2025.

What condition is Welch ST over Casco Bay/Atlantic Ocean 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 June 2024.

How much traffic does Welch ST over Casco Bay/Atlantic Ocean carry?

About 11 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Welch ST over Casco Bay/Atlantic Ocean?

The structure is 105 ft (32 m) long with a longest span of 55 ft (16.8 m) and a deck 12 ft wide.

Who owns Welch ST over Casco Bay/Atlantic Ocean?

It is owned by the State Highway Agency.