US Bridges

Bridge ST over Caribou Stream

Fair

Aroostook County, Maine · 50 Ft S of JCT Water ST · Structure no. 0181

Built
1983
42 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
461
2016 count
Owner
State
State Highway Agency

About this bridge

Bridge ST over Caribou Stream is a concrete culvert carrying Bridge ST over Caribou Stream in Aroostook County, Maine. It was built in 1983, so it is 42 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 461 vehicles a day, roughly 5% of them trucks, projected to reach 738 by 2036. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBridge ST
CrossesCaribou Stream
Location50 Ft S of JCT Water ST
RouteCity Street 0
StateMaine
Coordinates46.85761, -68.00597
Functional classUrban 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
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length29 ft (8.8 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic461 (2016)
Projected traffic738 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Bridge ST over Caribou Stream built?

It was built in 1983, making it 42 years old in 2025.

What condition is Bridge ST over Caribou Stream 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 Bridge ST over Caribou Stream carry?

About 461 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Bridge ST over Caribou Stream?

The structure is 29 ft (8.8 m) long with a longest span of 25 ft (7.6 m).

Who owns Bridge ST over Caribou Stream?

It is owned by the State Highway Agency.