US Bridges

Csah 30 over Beaver Creek

Good

Winona County, Minnesota · 0.4 MI W of JCT Mn 74 · Structure no. 85582

Built
2021
4 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
420
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 30 over Beaver Creek is a concrete continuous slab carrying Csah 30 over Beaver Creek in Winona County, Minnesota. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 420 vehicles a day, projected to reach 405 by 2039. The structure is 102 ft (31.1 m) long and 35 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesCsah 30
CrossesBeaver Creek
Location0.4 MI W of JCT Mn 74
RouteCounty Highway 30
Coordinates44.15321, -92.01456
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length102 ft (31.1 m)
Longest span39 ft (11.9 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2019)
Projected traffic405 by 2039
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 30 over Beaver Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Csah 30 over Beaver 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 Beaver Creek carry?

About 420 vehicles per day (2019 count).

How long is Csah 30 over Beaver Creek?

The structure is 102 ft (31.1 m) long with a longest span of 39 ft (11.9 m) and a deck 35 ft wide.

Who owns Csah 30 over Beaver Creek?

It is owned by the County Highway Agency.