US Bridges

Con 301 over TH 23

Fair

Stearns County, Minnesota · 3.0 MI E of JCT TH 55 · Structure no. 73044

Built
2012
13 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
270 ft
2 main spans
Daily traffic
4,600
2011 count
Owner
State
State Highway Agency

About this bridge

Con 301 over TH 23 is a prestressed concrete stringer/multi-beam or girder carrying Con 301 over TH 23 in Stearns County, Minnesota. It was built in 2012, so it is 13 years old, younger 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 4,600 vehicles a day, roughly 7% of them trucks, projected to reach 3,500 by 2028. The structure is 270 ft (82.3 m) long and 29 ft wide. If it were closed, the detour would be 67.7 mi (109 km).

CarriesCon 301
CrossesTH 23
Location3.0 MI E of JCT TH 55
RouteState Highway 301
Coordinates45.3904, -94.67856
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
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 rating93.6 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length270 ft (82.3 m)
Longest span131 ft (39.9 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2011)
Projected traffic3,500 by 2028
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed67.7 mi (109 km)
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 301 over TH 23 built?

It was built in 2012, making it 13 years old in 2025.

What condition is Con 301 over TH 23 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 2023.

How much traffic does Con 301 over TH 23 carry?

About 4,600 vehicles per day (2011 count), of which roughly 7% are trucks.

How long is Con 301 over TH 23?

The structure is 270 ft (82.3 m) long with a longest span of 131 ft (39.9 m) and a deck 29 ft wide.

Who owns Con 301 over TH 23?

It is owned by the State Highway Agency.