US Bridges

Csah 9 over Stream

Good

Scott County, Minnesota · 0.1 MI NW of JCT TH 169 · Structure no. 97464

Built
1993
32 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
7,800
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 9 over Stream is a concrete culvert carrying Csah 9 over Stream in Scott County, Minnesota. It was built in 1993, so it is 32 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 7,800 vehicles a day, projected to reach 8,400 by 2039. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 14.9 mi (24 km).

CarriesCsah 9
CrossesStream
Location0.1 MI NW of JCT TH 169
RouteCounty Highway 9
Coordinates44.67142, -93.64009
Functional classUrban 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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length28 ft (8.4 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (2019)
Projected traffic8,400 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed14.9 mi (24 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 9 over Stream built?

It was built in 1993, making it 32 years old in 2025.

What condition is Csah 9 over Stream 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 September 2021.

How much traffic does Csah 9 over Stream carry?

About 7,800 vehicles per day (2019 count).

How long is Csah 9 over Stream?

The structure is 28 ft (8.4 m) long with a longest span of 11 ft (3.3 m).

Who owns Csah 9 over Stream?

It is owned by the County Highway Agency.