US Bridges

State Park RD over Songo River

PoorPosted for load

Cumberland County, Maine · .4 MI W Townline · Structure no. 2780

Built
1926
99 years old
Condition
Poor
inspected October 2023
Type
Movable - Swing
Steel
Length
60 ft
2 main spans
Daily traffic
1,011
2016 count
Owner
State
State Highway Agency

About this bridge

State Park RD over Songo River is a steel movable - swing carrying State Park RD over Songo River in Cumberland County, Maine. It was built in 1926, so it is 99 years old, older than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,011 vehicles a day, roughly 5% of them trucks, projected to reach 1,517 by 2036. The structure is 60 ft (18.3 m) long and 14 ft wide.

CarriesState Park RD
CrossesSongo River
Location.4 MI W Townline
RouteCounty Highway 0
StateMaine
Coordinates43.93192, -70.57794
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating19.3 US tons
Inventory rating15 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckWood or timber
Main spans2
Design loadH 10
Structure length60 ft (18.3 m)
Longest span56 ft (17.1 m)
Deck width14 ft (4.4 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,011 (2016)
Projected traffic1,517 by 2036
Trucks5%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Park RD over Songo River built?

It was built in 1926, making it 99 years old in 2025.

What condition is State Park RD over Songo River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does State Park RD over Songo River carry?

About 1,011 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is State Park RD over Songo River?

The structure is 60 ft (18.3 m) long with a longest span of 56 ft (17.1 m) and a deck 14 ft wide.

Who owns State Park RD over Songo River?

It is owned by the State Highway Agency.