US Bridges

Paradise Hill Road over Duck Brook

Fair

Hancock County, Maine · 0.7 Miles North of NPS Ro · Structure no. 1700001P0000000

Built
1960
65 years old
Condition
Fair
inspected July 2024
Type
Arch - Deck
Concrete
Length
250 ft
3 main spans
Daily traffic
3,939
2022 count
Owner
Federal
National Park Service

About this bridge

Paradise Hill Road over Duck Brook is a concrete arch - deck carrying Paradise Hill Road over Duck Brook in Hancock County, Maine. It was built in 1960, so it is 65 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 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 3,939 vehicles a day, roughly 10% of them trucks, projected to reach 4,729 by 2042. The structure is 250 ft (76.2 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesParadise Hill Road
CrossesDuck Brook
Location0.7 Miles North of NPS Ro
RouteFederal Lands Road 10
CountyHancock County
StateMaine
Coordinates44.399, -68.23139
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length250 ft (76.2 m)
Longest span84 ft (25.6 m)
Deck width34 ft (10.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,939 (2022)
Projected traffic4,729 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Paradise Hill Road over Duck Brook built?

It was built in 1960, making it 65 years old in 2025.

What condition is Paradise Hill Road over Duck Brook 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 July 2024.

How much traffic does Paradise Hill Road over Duck Brook carry?

About 3,939 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Paradise Hill Road over Duck Brook?

The structure is 250 ft (76.2 m) long with a longest span of 84 ft (25.6 m) and a deck 34 ft wide.

Who owns Paradise Hill Road over Duck Brook?

It is owned by the National Park Service.