US Bridges

Chases Mill RD over Gardiner Lake Outlet

Poor

Washington County, Maine · .3 MI E Townline · Structure no. 5465

Built
1952
73 years old
Condition
Poor
inspected September 2024
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
446
2016 count
Owner
State
State Highway Agency

About this bridge

Chases Mill RD over Gardiner Lake Outlet is a concrete slab carrying Chases Mill RD over Gardiner Lake Outlet in Washington County, Maine. It was built in 1952, so it is 73 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 446 vehicles a day, roughly 5% of them trucks, projected to reach 714 by 2036. The structure is 28 ft (8.5 m) long and 27 ft wide.

CarriesChases Mill RD
CrossesGardiner Lake Outlet
Location.3 MI E Townline
RouteCity Street 0
StateMaine
Coordinates44.7561, -67.36054
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic446 (2016)
Projected traffic714 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-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 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 Chases Mill RD over Gardiner Lake Outlet built?

It was built in 1952, making it 73 years old in 2025.

What condition is Chases Mill RD over Gardiner Lake Outlet 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 September 2024.

How much traffic does Chases Mill RD over Gardiner Lake Outlet carry?

About 446 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Chases Mill RD over Gardiner Lake Outlet?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.

Who owns Chases Mill RD over Gardiner Lake Outlet?

It is owned by the State Highway Agency.