US Bridges

Park Loop Road over Kebo Brook

Good

Hancock County, Maine · 2.1 Miles West of Maine R · Structure no. 1700018P0000000

Built
1928
97 years old
Condition
Good
inspected July 2024
Type
Arch - Deck
Concrete
Length
38 ft
1 main span
Daily traffic
1,214
2022 count
Owner
Federal
National Park Service

About this bridge

Park Loop Road over Kebo Brook is a concrete arch - deck carrying Park Loop Road over Kebo Brook in Hancock 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,214 vehicles a day, roughly 1% of them trucks, projected to reach 1,457 by 2042. The structure is 38 ft (11.7 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPark Loop Road
CrossesKebo Brook
Location2.1 Miles West of Maine R
RouteFederal Lands Road 300
StateMaine
Coordinates44.37267, -68.22206
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.9 US tons
Inventory rating38 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length38 ft (11.7 m)
Longest span38 ft (11.7 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,214 (2022)
Projected traffic1,457 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Park Loop Road over Kebo Brook built?

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

What condition is Park Loop Road over Kebo Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Park Loop Road over Kebo Brook carry?

About 1,214 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Park Loop Road over Kebo Brook?

The structure is 38 ft (11.7 m) long with a longest span of 38 ft (11.7 m) and a deck 38 ft wide.

Who owns Park Loop Road over Kebo Brook?

It is owned by the National Park Service.