US Bridges

T 185 over S Fk Root River

Good

Houston County, Minnesota · 0.2 MI E of JCT Csah 4 · Structure no. 28519

Built
1982
43 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
144 ft
3 main spans
Daily traffic
53
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 185 over S Fk Root River is a steel continuous stringer/multi-beam or girder carrying T 185 over S Fk Root River in Houston County, Minnesota. It was built in 1982, so it is 43 years old, older 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 53 vehicles a day, projected to reach 53 by 2029. The structure is 144 ft (44 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 185
CrossesS Fk Root River
Location0.2 MI E of JCT Csah 4
RouteCounty Highway 185
Coordinates43.69601, -91.66244
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.6 US tons
Inventory rating37.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length144 ft (44 m)
Longest span55 ft (16.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53 (1986)
Projected traffic53 by 2029
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

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 185 over S Fk Root River built?

It was built in 1982, making it 43 years old in 2025.

What condition is T 185 over S Fk Root 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 November 2024.

How much traffic does T 185 over S Fk Root River carry?

About 53 vehicles per day (1986 count).

How long is T 185 over S Fk Root River?

The structure is 144 ft (44 m) long with a longest span of 55 ft (16.8 m) and a deck 31 ft wide.

Who owns T 185 over S Fk Root River?

It is owned by the Town or Township Highway Agency.