US Bridges

Hog Bay RD over Card Mill Stream

Fair

Hancock County, Maine · .8 MI N Townline · Structure no. 3307

Built
1941
84 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete
Length
45 ft
1 main span
Daily traffic
616
2016 count
Owner
State
State Highway Agency

About this bridge

Hog Bay RD over Card Mill Stream is a concrete tee beam carrying Hog Bay RD over Card Mill Stream in Hancock County, Maine. It was built in 1941, so it is 84 years old, older 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 5 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 616 vehicles a day, roughly 5% of them trucks, projected to reach 986 by 2036. The structure is 45 ft (13.7 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesHog Bay RD
CrossesCard Mill Stream
Location.8 MI N Townline
RouteCounty Highway 200
CountyHancock County
StateMaine
Coordinates44.57074, -68.19355
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length45 ft (13.7 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic616 (2016)
Projected traffic986 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Hog Bay RD over Card Mill Stream built?

It was built in 1941, making it 84 years old in 2025.

What condition is Hog Bay RD over Card Mill Stream 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 May 2024.

How much traffic does Hog Bay RD over Card Mill Stream carry?

About 616 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Hog Bay RD over Card Mill Stream?

The structure is 45 ft (13.7 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns Hog Bay RD over Card Mill Stream?

It is owned by the State Highway Agency.