US Bridges

Dorsey RD over Pattee Brook

Fair

Aroostook County, Maine · 0.2 MI S of JCT RTE 167 · Structure no. 5844

Built
1960
65 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
480
2016 count
Owner
State
State Highway Agency

About this bridge

Dorsey RD over Pattee Brook is a concrete slab carrying Dorsey RD over Pattee Brook in Aroostook County, Maine. It was built in 1960, so it is 65 years old, older 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 480 vehicles a day, roughly 5% of them trucks, projected to reach 768 by 2036. The structure is 24 ft (7.4 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesDorsey RD
CrossesPattee Brook
Location0.2 MI S of JCT RTE 167
RouteCity Street 0
CountyAroostook County
StateMaine
Coordinates46.76199, -67.8178
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 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 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 rating29.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length24 ft (7.4 m)
Longest span22 ft (6.7 m)
Deck width33 ft (10.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic480 (2016)
Projected traffic768 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Dorsey RD over Pattee Brook built?

It was built in 1960, making it 65 years old in 2025.

What condition is Dorsey RD over Pattee 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 November 2024.

How much traffic does Dorsey RD over Pattee Brook carry?

About 480 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Dorsey RD over Pattee Brook?

The structure is 24 ft (7.4 m) long with a longest span of 22 ft (6.7 m) and a deck 33 ft wide.

Who owns Dorsey RD over Pattee Brook?

It is owned by the State Highway Agency.