US Bridges

Csah 8 over CO Ditch #99

Good

Redwood County, Minnesota · 0.1 MI S of JCT Csah 30 · Structure no. 64589

Built
2019
6 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
215
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over CO Ditch #99 is a concrete continuous slab carrying Csah 8 over CO Ditch #99 in Redwood County, Minnesota. It was built in 2019, so it is 6 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 215 vehicles a day, projected to reach 215 by 2039. The structure is 75 ft (22.9 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCsah 8
CrossesCO Ditch #99
Location0.1 MI S of JCT Csah 30
RouteCounty Highway 8
CountyRedwood County
StateMinnesota
Coordinates44.50678, -95.53347
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 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 rating66.5 US tons
Inventory rating51.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length75 ft (22.9 m)
Longest span28 ft (8.5 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic215 (2019)
Projected traffic215 by 2039
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 8 over CO Ditch #99 built?

It was built in 2019, making it 6 years old in 2025.

What condition is Csah 8 over CO Ditch #99 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 2024.

How much traffic does Csah 8 over CO Ditch #99 carry?

About 215 vehicles per day (2019 count).

How long is Csah 8 over CO Ditch #99?

The structure is 75 ft (22.9 m) long with a longest span of 28 ft (8.5 m) and a deck 34 ft wide.

Who owns Csah 8 over CO Ditch #99?

It is owned by the County Highway Agency.