US Bridges

Inv 0901468 RD over Blue Hill Bay

Fair

Hancock County, Maine · Bass Harbor · Structure no. 6339

Built
1997
28 years old, rebuilt 2013
Condition
Fair
inspected June 2024
Type
Movable - Lift
Steel
Length
80 ft
1 main span
Daily traffic
874
2016 count
Owner
State
State Highway Agency

About this bridge

Inv 0901468 RD over Blue Hill Bay is a steel movable - lift carrying Inv 0901468 RD over Blue Hill Bay in Hancock County, Maine. It was built in 1997 and reconstructed in 2013, so it is 28 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 874 vehicles a day, roughly 5% of them trucks, projected to reach 1,398 by 2036. The structure is 80 ft (24.4 m) long and 15 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesInv 0901468 RD
CrossesBlue Hill Bay
LocationBass Harbor
RouteCounty Highway 0
StateMaine
Coordinates44.23488, -68.34854
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

Structure typeMovable - Lift
MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span80 ft (24.4 m)
Deck width15 ft (4.5 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic874 (2016)
Projected traffic1,398 by 2036
Trucks5%
Lanes on structure2
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 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 Inv 0901468 RD over Blue Hill Bay built?

It was built in 1997, making it 28 years old in 2025. It was reconstructed in 2013.

What condition is Inv 0901468 RD over Blue Hill Bay 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 Inv 0901468 RD over Blue Hill Bay carry?

About 874 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Inv 0901468 RD over Blue Hill Bay?

The structure is 80 ft (24.4 m) long with a longest span of 80 ft (24.4 m) and a deck 15 ft wide.

Who owns Inv 0901468 RD over Blue Hill Bay?

It is owned by the State Highway Agency.