US Bridges

Csah 20 over Eagle Creek

Fair

Todd County, Minnesota · 0.1 MI N of JCT TH 71 · Structure no. 77515

Built
1980
45 years old
Condition
Fair
inspected August 2023
Type
Slab
Wood or Timber
Length
66 ft
1 main span
Daily traffic
720
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 20 over Eagle Creek is a wood or timber slab carrying Csah 20 over Eagle Creek in Todd County, Minnesota. It was built in 1980, so it is 45 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 720 vehicles a day, projected to reach 740 by 2040. The structure is 66 ft (20.1 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 20
CrossesEagle Creek
Location0.1 MI N of JCT TH 71
RouteCounty Highway 20
CountyTodd County
StateMinnesota
Coordinates46.13138, -94.94866
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.6 US tons
Inventory rating41.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1 (+2 approach)
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span30 ft (9.1 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic720 (2020)
Projected traffic740 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 20 over Eagle Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Csah 20 over Eagle Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does Csah 20 over Eagle Creek carry?

About 720 vehicles per day (2020 count).

How long is Csah 20 over Eagle Creek?

The structure is 66 ft (20.1 m) long with a longest span of 30 ft (9.1 m) and a deck 46 ft wide.

Who owns Csah 20 over Eagle Creek?

It is owned by the County Highway Agency.