US Bridges

Mn 48 over Crooked Creek

Fair

Pine County, Minnesota · 19.4 MI E of JCT TH 35 · Structure no. 5786

Built
1939
86 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
1,839
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 48 over Crooked Creek is a concrete culvert carrying Mn 48 over Crooked Creek in Pine County, Minnesota. It was built in 1939, so it is 86 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 5 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 1,839 vehicles a day, roughly 11% of them trucks, projected to reach 1,700 by 2042. The structure is 33 ft (10.2 m) long. If it were closed, the detour would be 21.7 mi (35 km).

Location

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CarriesMn 48
CrossesCrooked Creek
Location19.4 MI E of JCT TH 35
RouteState Highway 48
CountyPine County
StateMinnesota
Coordinates46.01161, -92.52965
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length33 ft (10.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,839 (2022)
Projected traffic1,700 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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$73 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 48 over Crooked Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is Mn 48 over Crooked Creek 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 July 2023.

How much traffic does Mn 48 over Crooked Creek carry?

About 1,839 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Mn 48 over Crooked Creek?

The structure is 33 ft (10.2 m) long with a longest span of 10 ft (3 m).

Who owns Mn 48 over Crooked Creek?

It is owned by the State Highway Agency.