US Bridges

T 138 over Mud Creek

Good

Lyon County, Minnesota · 0.2 MI W of JCT Csah 3 · Structure no. 96115

Built
1986
39 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
30
1992 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 138 over Mud Creek is a concrete culvert carrying T 138 over Mud Creek in Lyon County, Minnesota. It was built in 1986, so it is 39 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 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 30 vehicles a day, projected to reach 30 by 2029. The structure is 30 ft (9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 138
CrossesMud Creek
Location0.2 MI W of JCT Csah 3
RouteCounty Highway 138
Coordinates44.63041, -95.99655
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 inspectionOctober 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 alignment6: Equal to present minimum criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9 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 traffic30 (1992)
Projected traffic30 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 138 over Mud Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is T 138 over Mud Creek 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 138 over Mud Creek carry?

About 30 vehicles per day (1992 count).

How long is T 138 over Mud Creek?

The structure is 30 ft (9 m) long with a longest span of 12 ft (3.7 m).

Who owns T 138 over Mud Creek?

It is owned by the Town or Township Highway Agency.