US Bridges

T 104 over Bear Creek

FairPosted for load

Mower County, Minnesota · 0.7 MI N of JCT Csah 2 · Structure no. 50545

Built
1978
47 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
122 ft
2 main spans
Daily traffic
38
1986 count
Owner
County
County Highway Agency

About this bridge

T 104 over Bear Creek is a prestressed concrete stringer/multi-beam or girder carrying T 104 over Bear Creek in Mower County, Minnesota. It was built in 1978, so it is 47 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. Its operating status is: posted for load restriction.

It carries about 38 vehicles a day, projected to reach 38 by 2029. The structure is 122 ft (37.1 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT 104
CrossesBear Creek
Location0.7 MI N of JCT Csah 2
RouteCounty Highway 104
Coordinates43.74951, -92.50924
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.8 US tons
Inventory rating19.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length122 ft (37.1 m)
Longest span59 ft (18.1 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38 (1986)
Projected traffic38 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

OwnerCounty Highway Agency
Maintained byCounty 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 104 over Bear Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is T 104 over Bear Creek 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 July 2024.

How much traffic does T 104 over Bear Creek carry?

About 38 vehicles per day (1986 count).

How long is T 104 over Bear Creek?

The structure is 122 ft (37.1 m) long with a longest span of 59 ft (18.1 m) and a deck 29 ft wide.

Who owns T 104 over Bear Creek?

It is owned by the County Highway Agency.