US Bridges

Mn 15 over CO Ditch # 14

Fair

Stearns County, Minnesota · 0.6 MI N of JCT TH 94 · Structure no. 91390

Built
1976
49 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
20,407
2021 count
Owner
State
State Highway Agency

About this bridge

Mn 15 over CO Ditch # 14 is a concrete culvert carrying Mn 15 over CO Ditch # 14 in Stearns County, Minnesota. It was built in 1976, so it is 49 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 20,407 vehicles a day, roughly 9% of them trucks, projected to reach 19,100 by 2041. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMn 15
CrossesCO Ditch # 14
Location0.6 MI N of JCT TH 94
RouteState Highway 15
CountyStearns County
StateMinnesota
Coordinates45.50498, -94.23415
Functional classUrban Other Principal 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 inspectionJuly 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 rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,407 (2021)
Projected traffic19,100 by 2041
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 Mn 15 over CO Ditch # 14 built?

It was built in 1976, making it 49 years old in 2025.

What condition is Mn 15 over CO Ditch # 14 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 15 over CO Ditch # 14 carry?

About 20,407 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Mn 15 over CO Ditch # 14?

The structure is 24 ft (7.4 m) long with a longest span of 10 ft (3.2 m).

Who owns Mn 15 over CO Ditch # 14?

It is owned by the State Highway Agency.