US Bridges

T 177 over Des Moines River

Good

Cottonwood County, Minnesota · 0.2 MI S of JCT TH 62 · Structure no. 17532

Built
2008
17 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
196 ft
3 main spans
Daily traffic
49
2008 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 177 over Des Moines River is a prestressed concrete stringer/multi-beam or girder carrying T 177 over Des Moines River in Cottonwood County, Minnesota. It was built in 2008, so it is 17 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 2029. The structure is 196 ft (59.7 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 177
CrossesDes Moines River
Location0.2 MI S of JCT TH 62
RouteCounty Highway 177
Coordinates43.85876, -95.36121
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.8 US tons
Inventory rating41.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length196 ft (59.7 m)
Longest span93 ft (28.4 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2008)
Projected traffic49 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T 177 over Des Moines River built?

It was built in 2008, making it 17 years old in 2025.

What condition is T 177 over Des Moines River 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 October 2024.

How much traffic does T 177 over Des Moines River carry?

About 49 vehicles per day (2008 count).

How long is T 177 over Des Moines River?

The structure is 196 ft (59.7 m) long with a longest span of 93 ft (28.4 m) and a deck 31 ft wide.

Who owns T 177 over Des Moines River?

It is owned by the Town or Township Highway Agency.