US Bridges

Con 75 over US 10

Fair

Morrison County, Minnesota · 3.9 MI S of JCT TH 371 · Structure no. 49004

Built
1973
52 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
374 ft
4 main spans
Daily traffic
2,167
2022 count
Owner
State
State Highway Agency

About this bridge

Con 75 over US 10 is a steel continuous stringer/multi-beam or girder carrying Con 75 over US 10 in Morrison 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.

It carries about 2,167 vehicles a day, roughly 3% of them trucks, projected to reach 4,850 by 2042. The structure is 374 ft (113.9 m) long and 30 ft wide.

Location

Open in Google Maps
CarriesCon 75
CrossesUS 10
Location3.9 MI S of JCT TH 371
RouteU.S. Route 75
CountyMorrison County
StateMinnesota
Coordinates45.94436, -94.3564
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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.9 US tons
Inventory rating39.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length374 ft (113.9 m)
Longest span113 ft (34.4 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,167 (2022)
Projected traffic4,850 by 2042
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Con 75 over US 10 built?

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

What condition is Con 75 over US 10 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 July 2024.

How much traffic does Con 75 over US 10 carry?

About 2,167 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Con 75 over US 10?

The structure is 374 ft (113.9 m) long with a longest span of 113 ft (34.4 m) and a deck 30 ft wide.

Who owns Con 75 over US 10?

It is owned by the State Highway Agency.