US Bridges

Msas 139 over Cedar River

FairPosted for load

Mower County, Minnesota · 1.2 MI E of JCT TH 105 · Structure no. 5228

Built
1932
93 years old
Condition
Fair
inspected June 2024
Type
Girder and Floorbeam System
Concrete
Length
155 ft
5 main spans
Daily traffic
9,200
2014 count
Owner
County
County Highway Agency

About this bridge

Msas 139 over Cedar River is a concrete girder and floorbeam system carrying Msas 139 over Cedar River in Mower County, Minnesota. It was built in 1932, so it is 93 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 9,200 vehicles a day, projected to reach 9,200 by 2039. The structure is 155 ft (47.2 m) long and 55 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesMsas 139
CrossesCedar River
Location1.2 MI E of JCT TH 105
RouteCity Street 139
CountyMower County
StateMinnesota
Coordinates43.66643, -92.96751
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.5 US tons
Inventory rating17.6 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length155 ft (47.2 m)
Longest span42 ft (12.9 m)
Deck width55 ft (16.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,200 (2014)
Projected traffic9,200 by 2039
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$844 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Msas 139 over Cedar River built?

It was built in 1932, making it 93 years old in 2025.

What condition is Msas 139 over Cedar River 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 Msas 139 over Cedar River carry?

About 9,200 vehicles per day (2014 count).

How long is Msas 139 over Cedar River?

The structure is 155 ft (47.2 m) long with a longest span of 42 ft (12.9 m) and a deck 55 ft wide.

Who owns Msas 139 over Cedar River?

It is owned by the County Highway Agency.