US Bridges

T 150 over S Br Yellow Medicine R

GoodPosted for load

Lyon County, Minnesota · 1.1 MI S of JCT Csah 8 · Structure no. 42534

Built
1980
45 years old
Condition
Good
inspected October 2024
Type
Slab
Wood or Timber
Length
90 ft
3 main spans
Daily traffic
33
1992 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 150 over S Br Yellow Medicine R is a wood or timber slab carrying T 150 over S Br Yellow Medicine R in Lyon County, Minnesota. It was built in 1980, so it is 45 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. Its operating status is: posted for load restriction.

It carries about 33 vehicles a day, projected to reach 33 by 2029. The structure is 90 ft (27.4 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 150
CrossesS Br Yellow Medicine R
Location1.1 MI S of JCT Csah 8
RouteCounty Highway 150
Coordinates44.50097, -96.03989
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; extensive scour has occurred
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating43 US tons
Inventory rating28.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33 (1992)
Projected traffic33 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 150 over S Br Yellow Medicine R built?

It was built in 1980, making it 45 years old in 2025.

What condition is T 150 over S Br Yellow Medicine R 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 150 over S Br Yellow Medicine R carry?

About 33 vehicles per day (1992 count).

How long is T 150 over S Br Yellow Medicine R?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns T 150 over S Br Yellow Medicine R?

It is owned by the Town or Township Highway Agency.