US Bridges

Barnard Mountain R over Katahdin Brook

Fair

Penobscot County, Maine · 2.6 M North Katahdin Loop · Structure no. 1709013P0000000

Built
2000
25 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
5
2024 count
Owner
Federal
National Park Service

About this bridge

Barnard Mountain R over Katahdin Brook is a steel stringer/multi-beam or girder carrying Barnard Mountain R 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 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 5 vehicles a day, projected to reach 10 by 2044. The structure is 51 ft (15.5 m) long and 13 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesBarnard Mountain R
CrossesKatahdin Brook
Location2.6 M North Katahdin Loop
RouteFederal Lands Road 0
CountyPenobscot County
StateMaine
Coordinates45.9196, -68.76235
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span37 ft (11.4 m)
Deck width13 ft (4 m)
Roadway width12 ft (3.8 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 closed98.8 mi (159 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 Barnard Mountain R over Katahdin Brook built?

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

What condition is Barnard Mountain R over Katahdin 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 May 2024.

How much traffic does Barnard Mountain R over Katahdin Brook carry?

About 5 vehicles per day (2024 count).

How long is Barnard Mountain R over Katahdin Brook?

The structure is 51 ft (15.5 m) long with a longest span of 37 ft (11.4 m) and a deck 13 ft wide.

Who owns Barnard Mountain R over Katahdin Brook?

It is owned by the National Park Service.