US Bridges

Mn 15 over US 14

Good

Nicollet County, Minnesota · At JCT TH 14 and TH 15 · Structure no. 52016

Built
2019
6 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
119 ft
1 main span
Daily traffic
5,396
2021 count
Owner
State
State Highway Agency

About this bridge

Mn 15 over US 14 is a prestressed concrete stringer/multi-beam or girder carrying Mn 15 over US 14 in Nicollet County, Minnesota. It was built in 2019, so it is 6 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,396 vehicles a day, roughly 14% of them trucks, projected to reach 4,150 by 2041. The structure is 119 ft (36.2 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMn 15
CrossesUS 14
LocationAt JCT TH 14 and TH 15
RouteState Highway 15
Coordinates44.32497, -94.44102
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.8 US tons
Inventory rating36.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length119 ft (36.2 m)
Longest span113 ft (34.4 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,396 (2021)
Projected traffic4,150 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mn 15 over US 14 built?

It was built in 2019, making it 6 years old in 2025.

What condition is Mn 15 over US 14 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Mn 15 over US 14 carry?

About 5,396 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is Mn 15 over US 14?

The structure is 119 ft (36.2 m) long with a longest span of 113 ft (34.4 m) and a deck 47 ft wide.

Who owns Mn 15 over US 14?

It is owned by the State Highway Agency.