US Bridges

Msas 139 over Dobbins Creek

Good

Mower County, Minnesota · 0.8 MI SW of JCT TH 90 · Structure no. 50587

Built
2016
9 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
125 ft
2 main spans
Daily traffic
6,900
2018 count
Owner
County
County Highway Agency

About this bridge

Msas 139 over Dobbins Creek is a prestressed concrete stringer/multi-beam or girder carrying Msas 139 over Dobbins Creek in Mower County, Minnesota. It was built in 2016, so it is 9 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,900 vehicles a day, projected to reach 6,136 by 2038. The structure is 125 ft (38.1 m) long and 52 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMsas 139
CrossesDobbins Creek
Location0.8 MI SW of JCT TH 90
RouteCity Street 139
Coordinates43.66657, -92.95595
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating50.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length125 ft (38.1 m)
Longest span59 ft (18.1 m)
Deck width52 ft (15.9 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,900 (2018)
Projected traffic6,136 by 2038
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Msas 139 over Dobbins Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Msas 139 over Dobbins Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Msas 139 over Dobbins Creek carry?

About 6,900 vehicles per day (2018 count).

How long is Msas 139 over Dobbins Creek?

The structure is 125 ft (38.1 m) long with a longest span of 59 ft (18.1 m) and a deck 52 ft wide.

Who owns Msas 139 over Dobbins Creek?

It is owned by the County Highway Agency.