US Bridges

Allagash RD over Pelletier Brook

Fair

Aroostook County, Maine · 4.0 MI Wly of ST Francis · Structure no. 3296

Built
1973
52 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
90 ft
1 main span
Daily traffic
775
2016 count
Owner
State
State Highway Agency

About this bridge

Allagash RD over Pelletier Brook is a steel stringer/multi-beam or girder carrying Allagash RD over Pelletier Brook in Aroostook County, Maine. It was built in 1973, so it is 52 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 5 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 775 vehicles a day, roughly 5% of them trucks, projected to reach 1,240 by 2036. The structure is 90 ft (27.4 m) long and 32 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesAllagash RD
CrossesPelletier Brook
Location4.0 MI Wly of ST Francis
RouteState Highway 161
CountyAroostook County
StateMaine
Coordinates47.08904, -69.02382
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating58.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span85 ft (25.9 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic775 (2016)
Projected traffic1,240 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Allagash RD over Pelletier Brook built?

It was built in 1973, making it 52 years old in 2025.

What condition is Allagash RD over Pelletier 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 October 2024.

How much traffic does Allagash RD over Pelletier Brook carry?

About 775 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Allagash RD over Pelletier Brook?

The structure is 90 ft (27.4 m) long with a longest span of 85 ft (25.9 m) and a deck 32 ft wide.

Who owns Allagash RD over Pelletier Brook?

It is owned by the State Highway Agency.