US Bridges

T 75 over CO Ditch # 9

FairPosted for load

Yellow Medicine County, Minnesota · 0.6 MI N of JCT CR C4 · Structure no. 87550

Built
1977
48 years old
Condition
Fair
inspected October 2024
Type
Slab
Wood or Timber
Length
78 ft
3 main spans
Daily traffic
25
1990 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 75 over CO Ditch # 9 is a wood or timber slab carrying T 75 over CO Ditch # 9 in Yellow Medicine 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, projected to reach 25 by 2029. The structure is 78 ft (23.8 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 75
CrossesCO Ditch # 9
Location0.6 MI N of JCT CR C4
RouteCounty Highway 75
Coordinates44.75546, -95.78845
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating31 US tons
Inventory rating19.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span26 ft (7.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (1990)
Projected traffic25 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 # 9 built?

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

What condition is T 75 over CO Ditch # 9 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does T 75 over CO Ditch # 9 carry?

About 25 vehicles per day (1990 count).

How long is T 75 over CO Ditch # 9?

The structure is 78 ft (23.8 m) long with a longest span of 26 ft (7.9 m) and a deck 30 ft wide.

Who owns T 75 over CO Ditch # 9?

It is owned by the Town or Township Highway Agency.