US Bridges

Langley Road over Cloquet River

Fair

St. Louis County, Minnesota · .9 MI E of Int Twp 6205 · Structure no. 090901000001006

Built
1957
68 years old, rebuilt 2016
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
77 ft
2 main spans
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Langley Road over Cloquet River is a concrete stringer/multi-beam or girder carrying Langley Road over Cloquet River in St. Louis County, Minnesota. It was built in 1957 and reconstructed in 2016, so it is 68 years old, older than the Minnesota average of 38.5 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 77 ft (23.5 m) long and 16 ft wide. If it were closed, the detour would be 20.5 mi (33 km).

Location

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CarriesLangley Road
CrossesCloquet River
Location.9 MI E of Int Twp 6205
RouteFederal Lands Road 122
CountySt. Louis County
StateMinnesota
Coordinates47.31389, -91.79444
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span38 ft (11.5 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed20.5 mi (33 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
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 Road over Cloquet River built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2016.

What condition is Langley Road over Cloquet River 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 Langley Road over Cloquet River carry?

About 50 vehicles per day (latest count).

How long is Langley Road over Cloquet River?

The structure is 77 ft (23.5 m) long with a longest span of 38 ft (11.5 m) and a deck 16 ft wide.

Who owns Langley Road over Cloquet River?

It is owned by the U.S. Forest Service.