US Bridges

Csah 9 over W Br Blue Earth River

FairPosted for load

Faribault County, Minnesota · 2.8 MI W of JCT TH 169 · Structure no. 22534

Built
1975
50 years old
Condition
Fair
inspected November 2023
Type
Slab
Wood or Timber
Length
78 ft
3 main spans
Daily traffic
25
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 9 over W Br Blue Earth River is a wood or timber slab carrying Csah 9 over W Br Blue Earth River in Faribault 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. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, projected to reach 60 by 2039. The structure is 78 ft (23.8 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 9
CrossesW Br Blue Earth River
Location2.8 MI W of JCT TH 169
RouteCounty Highway 9
Coordinates43.50731, -94.14498
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating35.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span26 ft (7.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2019)
Projected traffic60 by 2039
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 9 over W Br Blue Earth River built?

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

What condition is Csah 9 over W Br Blue Earth 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 November 2023.

How much traffic does Csah 9 over W Br Blue Earth River carry?

About 25 vehicles per day (2019 count).

How long is Csah 9 over W Br Blue Earth River?

The structure is 78 ft (23.8 m) long with a longest span of 26 ft (7.9 m) and a deck 30 ft wide.

Who owns Csah 9 over W Br Blue Earth River?

It is owned by the County Highway Agency.