US Bridges

Langley RD over So Branch Caribou Stream

Fair

Aroostook County, Maine · 1.1 MI SW 228 · Structure no. 6382

Built
1999
26 years old
Condition
Fair
inspected October 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
21 ft
1 main span
Daily traffic
140
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Langley RD over So Branch Caribou Stream is a aluminum, wrought iron, or cast iron culvert carrying Langley RD over So Branch Caribou Stream in Aroostook County, Maine. It was built in 1999, so it is 26 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 140 vehicles a day, roughly 5% of them trucks, projected to reach 224 by 2036. The structure is 21 ft (6.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLangley RD
CrossesSo Branch Caribou Stream
Location1.1 MI SW 228
RouteCity Street 0
StateMaine
Coordinates46.86783, -68.1354
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating97.6 US tons
Inventory rating74.6 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length21 ft (6.5 m)
Longest span21 ft (6.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2016)
Projected traffic224 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Langley RD over So Branch Caribou Stream built?

It was built in 1999, making it 26 years old in 2025.

What condition is Langley RD over So Branch 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 2024.

How much traffic does Langley RD over So Branch Caribou Stream carry?

About 140 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Langley RD over So Branch Caribou Stream?

The structure is 21 ft (6.5 m) long with a longest span of 21 ft (6.5 m).

Who owns Langley RD over So Branch Caribou Stream?

It is owned by the Town or Township Highway Agency.