US Bridges

T 112 over S Br Yellow Medicine R

PoorPosted for load

Lyon County, Minnesota · 0.4 MI W of JCT Csah 3 · Structure no. L9015

Built
1966
59 years old
Condition
Poor
inspected October 2024
Type
Slab
Wood or Timber
Length
52 ft
2 main spans
Daily traffic
51
1992 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 112 over S Br Yellow Medicine R is a wood or timber slab carrying T 112 over S Br Yellow Medicine R in Lyon County, Minnesota. It was built in 1966, so it is 59 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 51 vehicles a day, projected to reach 51 by 2029. The structure is 52 ft (15.9 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 112
CrossesS Br Yellow Medicine R
Location0.4 MI W of JCT Csah 3
RouteCounty Highway 112
Coordinates44.54341, -96.00608
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length52 ft (15.9 m)
Longest span25 ft (7.6 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (1992)
Projected traffic51 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$577.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was T 112 over S Br Yellow Medicine R built?

It was built in 1966, making it 59 years old in 2025.

What condition is T 112 over S Br Yellow Medicine R in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does T 112 over S Br Yellow Medicine R carry?

About 51 vehicles per day (1992 count).

How long is T 112 over S Br Yellow Medicine R?

The structure is 52 ft (15.9 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.

Who owns T 112 over S Br Yellow Medicine R?

It is owned by the Town or Township Highway Agency.