US Bridges

T 89 over S Br Yellow Medicine R

GoodPosted for load

Lyon County, Minnesota · 0.7 MI W of JCT Csah 13 · Structure no. 42530

Built
1980
45 years old
Condition
Good
inspected October 2024
Type
Slab
Wood or Timber
Length
96 ft
3 main spans
Daily traffic
8
1992 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 89 over S Br Yellow Medicine R is a wood or timber slab carrying T 89 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 8 vehicles a day, projected to reach 8 by 2029. The structure is 96 ft (29.3 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 89
CrossesS Br Yellow Medicine R
Location0.7 MI W of JCT Csah 13
RouteCounty Highway 89
Coordinates44.47371, -96.07551
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.7 US tons
Inventory rating23.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span32 ft (9.8 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8 (1992)
Projected traffic8 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 89 over S Br Yellow Medicine R built?

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

What condition is T 89 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 89 over S Br Yellow Medicine R carry?

About 8 vehicles per day (1992 count).

How long is T 89 over S Br Yellow Medicine R?

The structure is 96 ft (29.3 m) long with a longest span of 32 ft (9.8 m) and a deck 30 ft wide.

Who owns T 89 over S Br Yellow Medicine R?

It is owned by the Town or Township Highway Agency.