US Bridges

T 204 over Yellow Medicine River

Fair

Yellow Medicine County, Minnesota · 1.7 MI E of JCT Csah 8 · Structure no. 87532

Built
1977
48 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
135 ft
3 main spans
Daily traffic
20
1990 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 204 over Yellow Medicine River is a prestressed concrete tee beam carrying T 204 over Yellow Medicine River 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20 vehicles a day, projected to reach 20 by 2029. The structure is 135 ft (41.1 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 204
CrossesYellow Medicine River
Location1.7 MI E of JCT Csah 8
RouteCounty Highway 204
Coordinates44.67034, -95.71518
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating79.4 US tons
Inventory rating43.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span45 ft (13.7 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.2 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 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 204 over Yellow Medicine River built?

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

What condition is T 204 over Yellow Medicine River 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 August 2024.

How much traffic does T 204 over Yellow Medicine River carry?

About 20 vehicles per day (1990 count).

How long is T 204 over Yellow Medicine River?

The structure is 135 ft (41.1 m) long with a longest span of 45 ft (13.7 m) and a deck 33 ft wide.

Who owns T 204 over Yellow Medicine River?

It is owned by the Town or Township Highway Agency.