US Bridges

T 30 over Stream

Fair

Murray County, Minnesota · 0.4 MI E of JCT Csah 33 · Structure no. L1598

Built
1914
111 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
30
1990 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 30 over Stream is a concrete culvert carrying T 30 over Stream in Murray County, Minnesota. It was built in 1914, so it is 111 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.

It carries about 30 vehicles a day, projected to reach 30 by 2029. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT 30
CrossesStream
Location0.4 MI E of JCT Csah 33
RouteCounty Highway 30
Coordinates43.94961, -95.7371
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 inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.3 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (1990)
Projected traffic30 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 30 over Stream built?

It was built in 1914, making it 111 years old in 2025.

What condition is T 30 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 September 2024.

How much traffic does T 30 over Stream carry?

About 30 vehicles per day (1990 count).

How long is T 30 over Stream?

The structure is 34 ft (10.4 m) long with a longest span of 11 ft (3.4 m).

Who owns T 30 over Stream?

It is owned by the Town or Township Highway Agency.