US Bridges

T 73 over Stream

FairPosted for load

Olmsted County, Minnesota · 0.9 MI W JCT Csah 20 on · Structure no. L6178

Built
1944
81 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
75
1990 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 73 over Stream is a concrete culvert carrying T 73 over Stream in Olmsted County, Minnesota. It was built in 1944, so it is 81 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 75 vehicles a day, projected to reach 75 by 2029. The structure is 26 ft (8 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 73
CrossesStream
Location0.9 MI W JCT Csah 20 on
RouteCounty Highway 73
Coordinates43.87006, -92.45567
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length26 ft (8 m)
Longest span12 ft (3.7 m)
Deck width23 ft (6.9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (1990)
Projected traffic75 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$60 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T 73 over Stream built?

It was built in 1944, making it 81 years old in 2025.

What condition is T 73 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 January 2024.

How much traffic does T 73 over Stream carry?

About 75 vehicles per day (1990 count).

How long is T 73 over Stream?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m) and a deck 23 ft wide.

Who owns T 73 over Stream?

It is owned by the Town or Township Highway Agency.