US Bridges

IRR BIA RTE 201 over Penobscot River

Fair

Penobscot County, Maine · North of State Route 43 · Structure no. 00000000000S501

Built
1985
40 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
531 ft
3 main spans
Daily traffic
2,800
2024 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 201 over Penobscot River is a steel continuous stringer/multi-beam or girder carrying IRR BIA RTE 201 over Penobscot River in Penobscot County, Maine. It was built in 1985, so it is 40 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 2,800 vehicles a day, roughly 1% of them trucks, projected to reach 3,270 by 2044. The structure is 531 ft (162 m) long and 39 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIRR BIA RTE 201
CrossesPenobscot River
LocationNorth of State Route 43
RouteFederal Lands Road 201
StateMaine
Coordinates44.94139, -68.65203
Functional classUrban Other Principal Arterial

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 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61 US tons
Inventory rating45 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length531 ft (162 m)
Longest span174 ft (53 m)
Deck width39 ft (11.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2024)
Projected traffic3,270 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
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 IRR BIA RTE 201 over Penobscot River built?

It was built in 1985, making it 40 years old in 2025.

What condition is IRR BIA RTE 201 over Penobscot River 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 IRR BIA RTE 201 over Penobscot River carry?

About 2,800 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is IRR BIA RTE 201 over Penobscot River?

The structure is 531 ft (162 m) long with a longest span of 174 ft (53 m) and a deck 39 ft wide.

Who owns IRR BIA RTE 201 over Penobscot River?

It is owned by the Bureau of Indian Affairs.