US Bridges

T 90 over Otter Creek

Good

Mower County, Minnesota · 0.8 MI N of JCT Csah 5 · Structure no. 50K62

Built
2018
7 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
49
2018 count
Owner
County
County Highway Agency

About this bridge

T 90 over Otter Creek is a concrete culvert carrying T 90 over Otter Creek in Mower County, Minnesota. It was built in 2018, so it is 7 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 49 vehicles a day, projected to reach 49 by 2038. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 90
CrossesOtter Creek
Location0.8 MI N of JCT Csah 5
RouteCounty Highway 90
Coordinates43.55539, -92.86875
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length23 ft (7.1 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 traffic49 (2018)
Projected traffic49 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 90 over Otter Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is T 90 over Otter 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 May 2024.

How much traffic does T 90 over Otter Creek carry?

About 49 vehicles per day (2018 count).

How long is T 90 over Otter Creek?

The structure is 23 ft (7.1 m) long with a longest span of 10 ft (3 m).

Who owns T 90 over Otter Creek?

It is owned by the County Highway Agency.