US Bridges

Csah 8 over Sand Creek

Good

Scott County, Minnesota · 1.1 MI E of JCT TH 21 · Structure no. 70545

Built
2010
15 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
102 ft
1 main span
Daily traffic
1,100
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over Sand Creek is a prestressed concrete stringer/multi-beam or girder carrying Csah 8 over Sand Creek in Scott County, Minnesota. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,100 vehicles a day, projected to reach 1,150 by 2039. The structure is 102 ft (31.2 m) long and 47 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCsah 8
CrossesSand Creek
Location1.1 MI E of JCT TH 21
RouteCounty Highway 8
Coordinates44.63067, -93.58943
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.3 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length102 ft (31.2 m)
Longest span96 ft (29.3 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2019)
Projected traffic1,150 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Csah 8 over Sand Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Csah 8 over Sand 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 May 2024.

How much traffic does Csah 8 over Sand Creek carry?

About 1,100 vehicles per day (2019 count).

How long is Csah 8 over Sand Creek?

The structure is 102 ft (31.2 m) long with a longest span of 96 ft (29.3 m) and a deck 47 ft wide.

Who owns Csah 8 over Sand Creek?

It is owned by the County Highway Agency.