US Bridges

CR 172 over Stream

FairPosted for load

Blue Earth County, Minnesota · 0.6 MI S of JCT Csah 15 · Structure no. 90543

Built
1939
86 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
154
2022 count
Owner
County
County Highway Agency

About this bridge

CR 172 over Stream is a concrete culvert carrying CR 172 over Stream in Blue Earth County, Minnesota. It was built in 1939, so it is 86 years old, older 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 154 vehicles a day, projected to reach 85 by 2042. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCR 172
CrossesStream
Location0.6 MI S of JCT Csah 15
RouteCounty Highway 172
CountyBlue Earth County
StateMinnesota
Coordinates44.07061, -93.79841
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating19 US tons
Inventory rating11.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic154 (2022)
Projected traffic85 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 CR 172 over Stream built?

It was built in 1939, making it 86 years old in 2025.

What condition is CR 172 over Stream 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 October 2024.

How much traffic does CR 172 over Stream carry?

About 154 vehicles per day (2022 count).

How long is CR 172 over Stream?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m).

Who owns CR 172 over Stream?

It is owned by the County Highway Agency.