US Bridges

CR 61 over Dobbins Creek

FairPosted for load

Mower County, Minnesota · 0.2 MI N of JCT TH 90 · Structure no. 50526

Built
1973
52 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
107 ft
3 main spans
Daily traffic
1,700
2016 count
Owner
County
County Highway Agency

About this bridge

CR 61 over Dobbins Creek is a steel continuous stringer/multi-beam or girder carrying CR 61 over Dobbins Creek in Mower County, Minnesota. It was built in 1973, so it is 52 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 1,700 vehicles a day, projected to reach 1,700 by 2039. The structure is 107 ft (32.5 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCR 61
CrossesDobbins Creek
Location0.2 MI N of JCT TH 90
RouteCounty Highway 61
Coordinates43.67733, -92.93975
Functional classUrban Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating19.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length107 ft (32.5 m)
Longest span40 ft (12.2 m)
Deck width56 ft (17.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2016)
Projected traffic1,700 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 CR 61 over Dobbins Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is CR 61 over Dobbins 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 June 2024.

How much traffic does CR 61 over Dobbins Creek carry?

About 1,700 vehicles per day (2016 count).

How long is CR 61 over Dobbins Creek?

The structure is 107 ft (32.5 m) long with a longest span of 40 ft (12.2 m) and a deck 56 ft wide.

Who owns CR 61 over Dobbins Creek?

It is owned by the County Highway Agency.