US Bridges

Caribou RD over Dickey Brook

Fair

Aroostook County, Maine · 3.7 Mi. N. of Tl · Structure no. 3111

Built
1990
35 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
56 ft
2 main spans
Daily traffic
1,640
2016 count
Owner
State
State Highway Agency

About this bridge

Caribou RD over Dickey Brook is a steel culvert carrying Caribou RD over Dickey Brook in Aroostook County, Maine. It was built in 1990, so it is 35 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 1,640 vehicles a day, roughly 5% of them trucks, projected to reach 2,460 by 2036. The structure is 56 ft (17.1 m) long. If it were closed, the detour would be 100 mi (161 km).

Location

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CarriesCaribou RD
CrossesDickey Brook
Location3.7 Mi. N. of Tl
RouteState Highway 161
CountyAroostook County
StateMaine
Coordinates47.15036, -68.35913
Functional classRural Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating71.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length56 ft (17.1 m)
Longest span19 ft (5.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,640 (2016)
Projected traffic2,460 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 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 Caribou RD over Dickey Brook built?

It was built in 1990, making it 35 years old in 2025.

What condition is Caribou RD over Dickey 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 2023.

How much traffic does Caribou RD over Dickey Brook carry?

About 1,640 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Caribou RD over Dickey Brook?

The structure is 56 ft (17.1 m) long with a longest span of 19 ft (5.9 m).

Who owns Caribou RD over Dickey Brook?

It is owned by the State Highway Agency.