Csah 16 over Roberts Creek

Good

Mower County, Minnesota · 0.1 MI N of JCT Csah 2 · Structure no. 50597

Built: 2020; 5 years old
Condition: Good; inspected May 2024
Type: Slab; Concrete Continuous
Length: 84 ft; 3 main spans
Daily traffic: 300; 2016 count
Owner: County; County Highway Agency

About this bridge

Csah 16 over Roberts Creek is a concrete continuous slab carrying Csah 16 over Roberts Creek in Mower County, Minnesota. It was built in 2020, so it is 5 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 300 vehicles a day, projected to reach 300 by 2036. The structure is 84 ft (25.6 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCsah 16

CrossesRoberts Creek

Location0.1 MI N of JCT Csah 2

RouteCounty Highway 16

CountyMower County

StateMinnesota

Coordinates43.7484, -92.90929

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.

Component	Rating	Meaning
Deck	8 Very Good	No problems noted.
Superstructure	8 Very Good	No problems noted.
Substructure	8 Very Good	No problems noted.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionMay 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation8: Equal to present desirable criteria

Deck geometry7: Better than present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating58.2 US tons

Inventory rating45 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHL 93

Structure length84 ft (25.6 m)

Longest span31 ft (9.4 m)

Deck width35 ft (10.7 m)

Roadway width32 ft (9.8 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2016)

Projected traffic300 by 2036

Trucks—

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed1.9 mi (3 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 16 over Roberts Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Csah 16 over Roberts 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 May 2024.

How much traffic does Csah 16 over Roberts Creek carry?

About 300 vehicles per day (2016 count).

How long is Csah 16 over Roberts Creek?

The structure is 84 ft (25.6 m) long with a longest span of 31 ft (9.4 m) and a deck 35 ft wide.

Who owns Csah 16 over Roberts Creek?

It is owned by the County Highway Agency.