US Bridges

Msas 108 over Cannon River

Fair

Rice County, Minnesota · 0.1 MI E of JCT TH 3 · Structure no. 66505

Built
1964
61 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
246 ft
3 main spans
Daily traffic
6,800
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Msas 108 over Cannon River is a steel continuous stringer/multi-beam or girder carrying Msas 108 over Cannon River in Rice County, Minnesota. It was built in 1964, so it is 61 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 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 6,800 vehicles a day, projected to reach 6,800 by 2039. The structure is 246 ft (74.9 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMsas 108
CrossesCannon River
Location0.1 MI E of JCT TH 3
RouteCity Street 108
Coordinates44.45508, -93.16264
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating36.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length246 ft (74.9 m)
Longest span90 ft (27.4 m)
Deck width56 ft (17.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,800 (2012)
Projected traffic6,800 by 2039
Trucks—
Lanes on structure4
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$386 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Msas 108 over Cannon River built?

It was built in 1964, making it 61 years old in 2025.

What condition is Msas 108 over Cannon 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 April 2024.

How much traffic does Msas 108 over Cannon River carry?

About 6,800 vehicles per day (2012 count).

How long is Msas 108 over Cannon River?

The structure is 246 ft (74.9 m) long with a longest span of 90 ft (27.4 m) and a deck 56 ft wide.

Who owns Msas 108 over Cannon River?

It is owned by the City or Municipal Highway Agency.