US Bridges

T 135 over N Br Yellow Medicine R

Good

Lyon County, Minnesota · 0.5 MI S of N CO Line · Structure no. 95521

Built
1989
36 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
23
1992 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 135 over N Br Yellow Medicine R is a concrete culvert carrying T 135 over N Br Yellow Medicine R in Lyon County, Minnesota. It was built in 1989, so it is 36 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 23 vehicles a day, projected to reach 23 by 2029. The structure is 46 ft (14 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 135
CrossesN Br Yellow Medicine R
Location0.5 MI S of N CO Line
RouteCounty Highway 135
Coordinates44.62407, -96.01231
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length46 ft (14 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23 (1992)
Projected traffic23 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 135 over N Br Yellow Medicine R built?

It was built in 1989, making it 36 years old in 2025.

What condition is T 135 over N 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 September 2024.

How much traffic does T 135 over N Br Yellow Medicine R carry?

About 23 vehicles per day (1992 count).

How long is T 135 over N Br Yellow Medicine R?

The structure is 46 ft (14 m) long with a longest span of 12 ft (3.7 m).

Who owns T 135 over N Br Yellow Medicine R?

It is owned by the Town or Township Highway Agency.