US Bridges

Csah 7 over Stream

Good

Rock County, Minnesota · 0.1 MI E of JCT Csah 19 · Structure no. 93208

Built
1976
49 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
52 ft
3 main spans
Daily traffic
729
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Stream is a concrete culvert carrying Csah 7 over Stream in Rock County, Minnesota. It was built in 1976, so it is 49 years old, older 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 729 vehicles a day, projected to reach 660 by 2042. The structure is 52 ft (15.9 m) long. If it were closed, the detour would be 24.2 mi (39 km).

CarriesCsah 7
CrossesStream
Location0.1 MI E of JCT Csah 19
RouteCounty Highway 7
Coordinates43.77561, -96.17086
Functional classRural Major Collector

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.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length52 ft (15.9 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic729 (2022)
Projected traffic660 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 7 over Stream built?

It was built in 1976, making it 49 years old in 2025.

What condition is Csah 7 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 October 2021.

How much traffic does Csah 7 over Stream carry?

About 729 vehicles per day (2022 count).

How long is Csah 7 over Stream?

The structure is 52 ft (15.9 m) long with a longest span of 13 ft (3.9 m).

Who owns Csah 7 over Stream?

It is owned by the County Highway Agency.