US Bridges

Csah 7 over Mid Br Root River

Fair

Fillmore County, Minnesota · 0.35 MI S of JCT Csah 5 · Structure no. 23520

Built
1975
50 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
169 ft
4 main spans
Daily traffic
245
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Mid Br Root River is a wood or timber stringer/multi-beam or girder carrying Csah 7 over Mid Br Root River in Fillmore County, Minnesota. It was built in 1975, so it is 50 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 245 vehicles a day, projected to reach 245 by 2039. The structure is 169 ft (51.4 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCsah 7
CrossesMid Br Root River
Location0.35 MI S of JCT Csah 5
RouteCounty Highway 7
CountyFillmore County
StateMinnesota
Coordinates43.80639, -92.18853
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.2 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadHS 20
Structure length169 ft (51.4 m)
Longest span42 ft (12.8 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic245 (2017)
Projected traffic245 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Mid Br Root River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Csah 7 over Mid Br Root River 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 April 2023.

How much traffic does Csah 7 over Mid Br Root River carry?

About 245 vehicles per day (2017 count).

How long is Csah 7 over Mid Br Root River?

The structure is 169 ft (51.4 m) long with a longest span of 42 ft (12.8 m) and a deck 34 ft wide.

Who owns Csah 7 over Mid Br Root River?

It is owned by the County Highway Agency.