Csah 9 over Elk Creek

Good

Rock County, Minnesota · 0.9 MI S of JCT Csah 16 · Structure no. 67579

Built: 2025; 0 years old
Condition: Good; inspected January 2025
Type: Slab; Concrete Continuous
Length: 98 ft; 3 main spans
Daily traffic: 333; 2023 count
Owner: County; County Highway Agency

About this bridge

Csah 9 over Elk Creek is a concrete continuous slab carrying Csah 9 over Elk Creek in Rock County, Minnesota. It was built in 2025, so it is 0 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 333 vehicles a day, projected to reach 367 by 2043. The structure is 98 ft (29.9 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCsah 9

CrossesElk Creek

Location0.9 MI S of JCT Csah 16

RouteCounty Highway 9

CountyRock County

StateMinnesota

Coordinates43.60265, -96.17306

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	8 Very Good	No problems noted.

Last inspectionJanuary 2025

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

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 rating56.4 US tons

Inventory rating43.5 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHL 93

Structure length98 ft (29.9 m)

Longest span37 ft (11.3 m)

Deck width35 ft (10.7 m)

Roadway width32 ft (9.8 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic333 (2023)

Projected traffic367 by 2043

Trucks—

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed3.7 mi (6 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 9 over Elk Creek built?

It was built in 2025, making it 0 years old in 2025.

What condition is Csah 9 over Elk 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 January 2025.

How much traffic does Csah 9 over Elk Creek carry?

About 333 vehicles per day (2023 count).

How long is Csah 9 over Elk Creek?

The structure is 98 ft (29.9 m) long with a longest span of 37 ft (11.3 m) and a deck 35 ft wide.

Who owns Csah 9 over Elk Creek?

It is owned by the County Highway Agency.