US Bridges

Csah 30 over Trout Creek

Good

Olmsted County, Minnesota · 1.0 MI E of JCT CR 130 · Structure no. 55J61

Built
2007
18 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
41 ft
3 main spans
Daily traffic
160
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 30 over Trout Creek is a concrete culvert carrying Csah 30 over Trout Creek in Olmsted County, Minnesota. It was built in 2007, so it is 18 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 160 vehicles a day, projected to reach 149 by 2038. The structure is 41 ft (12.6 m) long. If it were closed, the detour would be 13 mi (21 km).

CarriesCsah 30
CrossesTrout Creek
Location1.0 MI E of JCT CR 130
RouteCounty Highway 30
Coordinates43.89768, -92.09292
Functional classRural Minor 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.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 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 spans3
Design loadHS 25 or greater
Structure length41 ft (12.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2018)
Projected traffic149 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 30 over Trout Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Csah 30 over Trout 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 October 2023.

How much traffic does Csah 30 over Trout Creek carry?

About 160 vehicles per day (2018 count).

How long is Csah 30 over Trout Creek?

The structure is 41 ft (12.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 30 over Trout Creek?

It is owned by the County Highway Agency.