US Bridges

T 40 over Mud Creek

Good

Yellow Medicine County, Minnesota · 1.2 MI S of JCT CR D5 · Structure no. 87551

Built
1982
43 years old
Condition
Good
inspected September 2023
Type
Slab
Wood or Timber
Length
66 ft
3 main spans
Daily traffic
20
1990 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 40 over Mud Creek is a wood or timber slab carrying T 40 over Mud Creek in Yellow Medicine County, Minnesota. It was built in 1982, so it is 43 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.

It carries about 20 vehicles a day, projected to reach 20 by 2029. The structure is 66 ft (20.1 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 40
CrossesMud Creek
Location1.2 MI S of JCT CR D5
RouteCounty Highway 40
Coordinates44.64024, -96.01221
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating52 US tons
Inventory rating37.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length66 ft (20.1 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 traffic20 (1990)
Projected traffic20 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 40 over Mud Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is T 40 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 September 2023.

How much traffic does T 40 over Mud Creek carry?

About 20 vehicles per day (1990 count).

How long is T 40 over Mud Creek?

The structure is 66 ft (20.1 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns T 40 over Mud Creek?

It is owned by the Town or Township Highway Agency.