US Bridges

T 385 over Dobbins Crk

Fair

Mower County, Minnesota · 0.4 MI E of JCT Csah 19 · Structure no. 50J40

Built
2000
25 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
38
2000 count
Owner
County
County Highway Agency

About this bridge

T 385 over Dobbins Crk is a concrete culvert carrying T 385 over Dobbins Crk in Mower County, Minnesota. It was built in 2000, so it is 25 years old, younger 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 38 vehicles a day, projected to reach 38 by 2029. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesT 385
CrossesDobbins Crk
Location0.4 MI E of JCT Csah 19
RouteCounty Highway 385
CountyMower County
StateMinnesota
Coordinates43.71779, -92.82111
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length28 ft (8.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38 (2000)
Projected traffic38 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

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 385 over Dobbins Crk built?

It was built in 2000, making it 25 years old in 2025.

What condition is T 385 over Dobbins Crk 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 May 2023.

How much traffic does T 385 over Dobbins Crk carry?

About 38 vehicles per day (2000 count).

How long is T 385 over Dobbins Crk?

The structure is 28 ft (8.4 m) long with a longest span of 12 ft (3.7 m).

Who owns T 385 over Dobbins Crk?

It is owned by the County Highway Agency.