Csah 7 over Stream

FairPosted for load

Lyon County, Minnesota · 1.5 MI S of JCT TH 14 · Structure no. 42510

Built: 1966; 59 years old
Condition: Fair; inspected October 2023
Type: Slab; Wood or Timber
Length: 52 ft; 2 main spans
Daily traffic: 205; 2018 count
Owner: County; County Highway Agency

About this bridge

Csah 7 over Stream is a wood or timber slab carrying Csah 7 over Stream in Lyon County, Minnesota. It was built in 1966, so it is 59 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. Its operating status is: posted for load restriction.

It carries about 205 vehicles a day, projected to reach 180 by 2038. The structure is 52 ft (16 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCsah 7

CrossesStream

Location1.5 MI S of JCT TH 14

RouteCounty Highway 7

CountyLyon County

StateMinnesota

Coordinates44.21836, -95.81535

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.

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	7 Good	Some minor problems.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionOctober 2023

Inspection intervalevery 24 months

Operating statusPosted for load restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation6: Equal to present minimum criteria

Deck geometry6: Equal to present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating49.1 US tons

Inventory rating34 US tons

Structure

Structure typeSlab

MaterialWood or Timber

DeckWood or timber

Main spans2

Design loadH 20

Structure length52 ft (16 m)

Longest span25 ft (7.6 m)

Deck width32 ft (9.8 m)

Roadway width30 ft (9.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic205 (2018)

Projected traffic180 by 2038

Trucks—

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed3.1 mi (5 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 7 over Stream built?

It was built in 1966, making it 59 years old in 2025.

What condition is Csah 7 over Stream 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 October 2023.

How much traffic does Csah 7 over Stream carry?

About 205 vehicles per day (2018 count).

How long is Csah 7 over Stream?

The structure is 52 ft (16 m) long with a longest span of 25 ft (7.6 m) and a deck 32 ft wide.

Who owns Csah 7 over Stream?

It is owned by the County Highway Agency.