US Bridges

T 75 over CO Ditch # 11

PoorPosted for load

Martin County, Minnesota · 2.3 MI N of JCT Csah 8 · Structure no. 46534

Built
1977
48 years old
Condition
Poor
inspected October 2024
Type
Slab
Wood or Timber
Length
67 ft
3 main spans
Daily traffic
22
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 75 over CO Ditch # 11 is a wood or timber slab carrying T 75 over CO Ditch # 11 in Martin County, Minnesota. It was built in 1977, so it is 48 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 22 vehicles a day, projected to reach 22 by 2029. The structure is 67 ft (20.5 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesT 75
CrossesCO Ditch # 11
Location2.3 MI N of JCT Csah 8
RouteCounty Highway 75
CountyMartin County
StateMinnesota
Coordinates43.56962, -94.6744
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27 US tons
Inventory rating16.2 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length67 ft (20.5 m)
Longest span32 ft (9.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22 (1986)
Projected traffic22 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 75 over CO Ditch # 11 built?

It was built in 1977, making it 48 years old in 2025.

What condition is T 75 over CO Ditch # 11 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 75 over CO Ditch # 11 carry?

About 22 vehicles per day (1986 count).

How long is T 75 over CO Ditch # 11?

The structure is 67 ft (20.5 m) long with a longest span of 32 ft (9.7 m) and a deck 30 ft wide.

Who owns T 75 over CO Ditch # 11?

It is owned by the Town or Township Highway Agency.