US Bridges

Msas 105 over Cedar River

Fair

Mower County, Minnesota · 0.3 MI E of Main ST · Structure no. 50546

Built
1979
46 years old
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
212 ft
4 main spans
Daily traffic
3,800
2016 count
Owner
County
County Highway Agency

About this bridge

Msas 105 over Cedar River is a prestressed concrete slab carrying Msas 105 over Cedar River in Mower County, Minnesota. It was built in 1979, so it is 46 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.

It carries about 3,800 vehicles a day, projected to reach 3,800 by 2039. The structure is 212 ft (64.7 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMsas 105
CrossesCedar River
Location0.3 MI E of Main ST
RouteCity Street 105
Coordinates43.66989, -92.96785
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length212 ft (64.7 m)
Longest span53 ft (16.2 m)
Deck width64 ft (19.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2016)
Projected traffic3,800 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 Msas 105 over Cedar River built?

It was built in 1979, making it 46 years old in 2025.

What condition is Msas 105 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 2023.

How much traffic does Msas 105 over Cedar River carry?

About 3,800 vehicles per day (2016 count).

How long is Msas 105 over Cedar River?

The structure is 212 ft (64.7 m) long with a longest span of 53 ft (16.2 m) and a deck 64 ft wide.

Who owns Msas 105 over Cedar River?

It is owned by the County Highway Agency.