US Bridges

Forest City RD over ST Croix River

Poor

Washington County, Maine · Maine - New Brunswick · Structure no. 2397

Built
1928
97 years old
Condition
Poor
inspected August 2024
Type
Tee Beam
Concrete
Length
49 ft
1 main span
Daily traffic
32
2016 count
Owner
State
State Highway Agency

About this bridge

Forest City RD over ST Croix River is a concrete tee beam carrying Forest City RD over ST Croix River in Washington County, Maine. It was built in 1928, so it is 97 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.

It carries about 32 vehicles a day, roughly 5% of them trucks, projected to reach 51 by 2036. The structure is 49 ft (14.9 m) long and 23 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesForest City RD
CrossesST Croix River
LocationMaine - New Brunswick
RouteFederal Lands Road 0
StateMaine
Coordinates45.66305, -67.72833
Functional classRural Local

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length49 ft (14.9 m)
Longest span45 ft (13.7 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32 (2016)
Projected traffic51 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-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 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 City RD over ST Croix River built?

It was built in 1928, making it 97 years old in 2025.

What condition is Forest City RD over ST Croix 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 August 2024.

How much traffic does Forest City RD over ST Croix River carry?

About 32 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Forest City RD over ST Croix River?

The structure is 49 ft (14.9 m) long with a longest span of 45 ft (13.7 m) and a deck 23 ft wide.

Who owns Forest City RD over ST Croix River?

It is owned by the State Highway Agency.