US Bridges

I 90 over 12 Ave Nw; Turtle Creek

Good

Mower County, Minnesota · 0.9 MI W of JCT TH 218 · Structure no. 50806

Built
2010
15 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
198 ft
2 main spans
Daily traffic
8,350
2018 count
Owner
State
State Highway Agency

About this bridge

I 90 over 12 Ave Nw; Turtle Creek is a prestressed concrete stringer/multi-beam or girder carrying I 90 over 12 Ave Nw; Turtle Creek in Mower County, Minnesota. It was built in 2010, so it is 15 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,350 vehicles a day, roughly 10% of them trucks, projected to reach 7,850 by 2038. The structure is 198 ft (60.2 m) long and 45 ft wide.

Location

Open in Google Maps
CarriesI 90
Crosses12 Ave Nw; Turtle Creek
Location0.9 MI W of JCT TH 218
RouteInterstate 90
CountyMower County
StateMinnesota
Coordinates43.67496, -93.00846
Functional classUrban Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length198 ft (60.2 m)
Longest span121 ft (37 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,350 (2018)
Projected traffic7,850 by 2038
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 90 over 12 Ave Nw; Turtle Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is I 90 over 12 Ave Nw; Turtle Creek 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 September 2023.

How much traffic does I 90 over 12 Ave Nw; Turtle Creek carry?

About 8,350 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is I 90 over 12 Ave Nw; Turtle Creek?

The structure is 198 ft (60.2 m) long with a longest span of 121 ft (37 m) and a deck 45 ft wide.

Who owns I 90 over 12 Ave Nw; Turtle Creek?

It is owned by the State Highway Agency.