US Bridges

Csah 21 over Eagle Creek

Good

Todd County, Minnesota · 0.3 MI NE of JCT TH 71 · Structure no. 77J95

Built
2022
3 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete
Length
52 ft
3 main spans
Daily traffic
1,300
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 21 over Eagle Creek is a concrete culvert carrying Csah 21 over Eagle Creek in Todd County, Minnesota. It was built in 2022, so it is 3 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 1,300 vehicles a day, projected to reach 1,452 by 2038. The structure is 52 ft (15.8 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCsah 21
CrossesEagle Creek
Location0.3 MI NE of JCT TH 71
RouteCounty Highway 21
Coordinates46.09297, -94.86505
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 48 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length52 ft (15.8 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2018)
Projected traffic1,452 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 21 over Eagle Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is Csah 21 over Eagle 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 November 2022.

How much traffic does Csah 21 over Eagle Creek carry?

About 1,300 vehicles per day (2018 count).

How long is Csah 21 over Eagle Creek?

The structure is 52 ft (15.8 m) long with a longest span of 16 ft (4.9 m).

Who owns Csah 21 over Eagle Creek?

It is owned by the County Highway Agency.