US Bridges

Orin Falls Road over Katahdin Brook

PoorClosed to traffic

Penobscot County, Maine · 2.6 M North Katahdin Loop · Structure no. 1709015P0000000

Built
2000
25 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
6 main spans
Daily traffic
5
2024 count
Owner
Federal
National Park Service

About this bridge

Orin Falls Road over Katahdin Brook is a steel stringer/multi-beam or girder carrying Orin Falls Road over Katahdin Brook in Penobscot County, Maine. It was built in 2000, so it is 25 years old, younger 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 2 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. Its operating status is: closed to all traffic.

It carries about 5 vehicles a day, projected to reach 10 by 2044. The structure is 45 ft (13.6 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOrin Falls Road
CrossesKatahdin Brook
Location2.6 M North Katahdin Loop
RouteFederal Lands Road 0
StateMaine
Coordinates45.93278, -68.71411
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans6
Design loadUnknown
Structure length45 ft (13.6 m)
Longest span44 ft (13.3 m)
Deck width16 ft (5 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic10 by 2044
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
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 Orin Falls Road over Katahdin Brook built?

It was built in 2000, making it 25 years old in 2025.

What condition is Orin Falls Road over Katahdin Brook 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 May 2024.

How much traffic does Orin Falls Road over Katahdin Brook carry?

About 5 vehicles per day (2024 count).

How long is Orin Falls Road over Katahdin Brook?

The structure is 45 ft (13.6 m) long with a longest span of 44 ft (13.3 m) and a deck 16 ft wide.

Who owns Orin Falls Road over Katahdin Brook?

It is owned by the National Park Service.