US Bridges

Con 4680 over Cascade Creek

Good

Olmsted County, Minnesota · At the JCT TH 14; 52 · Structure no. 55059

Built
2003
22 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
10,189
2021 count
Owner
State
State Highway Agency

About this bridge

Con 4680 over Cascade Creek is a prestressed concrete stringer/multi-beam or girder carrying Con 4680 over Cascade Creek in Olmsted County, Minnesota. It was built in 2003, so it is 22 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,189 vehicles a day, projected to reach 113,001 by 2041. The structure is 78 ft (23.8 m) long and 43 ft wide.

CarriesCon 4680
CrossesCascade Creek
LocationAt the JCT TH 14; 52
RouteU.S. Route 4680
Coordinates44.02999, -92.49026
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating93.9 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length78 ft (23.8 m)
Longest span73 ft (22.2 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,189 (2021)
Projected traffic113,001 by 2041
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Con 4680 over Cascade Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Con 4680 over Cascade Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Con 4680 over Cascade Creek carry?

About 10,189 vehicles per day (2021 count).

How long is Con 4680 over Cascade Creek?

The structure is 78 ft (23.8 m) long with a longest span of 73 ft (22.2 m) and a deck 43 ft wide.

Who owns Con 4680 over Cascade Creek?

It is owned by the State Highway Agency.