US Bridges

T 230 over Stream

FairPosted for load

Olmsted County, Minnesota · 1.6 MI N JCT CR 124 on · Structure no. L6274

Built
1952
73 years old
Condition
Fair
inspected December 2024
Type
Culvert
Steel
Length
23 ft
1 main span
Daily traffic
80
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 230 over Stream is a steel culvert carrying T 230 over Stream in Olmsted County, Minnesota. It was built in 1952, so it is 73 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 80 vehicles a day, projected to reach 80 by 2029. The structure is 23 ft (7 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesT 230
CrossesStream
Location1.6 MI N JCT CR 124 on
RouteCounty Highway 230
CountyOlmsted County
StateMinnesota
Coordinates44.11619, -92.33904
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating12.6 US tons
Inventory rating9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width21 ft (6.4 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (1986)
Projected traffic80 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$288 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was T 230 over Stream built?

It was built in 1952, making it 73 years old in 2025.

What condition is T 230 over Stream 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 December 2024.

How much traffic does T 230 over Stream carry?

About 80 vehicles per day (1986 count).

How long is T 230 over Stream?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 21 ft wide.

Who owns T 230 over Stream?

It is owned by the Town or Township Highway Agency.