US Bridges

US 169 over Csah 90 WB

Fair

Blue Earth County, Minnesota · 1.8 MI E of JCT TH 60 · Structure no. 07043

Built
1997
28 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
1 main span
Daily traffic
16,250
2016 count
Owner
State
State Highway Agency

About this bridge

US 169 over Csah 90 WB is a prestressed concrete stringer/multi-beam or girder carrying US 169 over Csah 90 WB in Blue Earth County, Minnesota. It was built in 1997, so it is 28 years old, younger 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 16,250 vehicles a day, roughly 11% of them trucks, projected to reach 16,250 by 2039. The structure is 150 ft (45.7 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 169
CrossesCsah 90 WB
Location1.8 MI E of JCT TH 60
RouteU.S. Route 169
Coordinates44.14552, -94.08405
Functional classUrban Other Principal Arterial

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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.2 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length150 ft (45.7 m)
Longest span140 ft (42.7 m)
Deck width57 ft (17.5 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,250 (2016)
Projected traffic16,250 by 2039
Trucks11%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 169 over Csah 90 WB built?

It was built in 1997, making it 28 years old in 2025.

What condition is US 169 over Csah 90 WB 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 July 2024.

How much traffic does US 169 over Csah 90 WB carry?

About 16,250 vehicles per day (2016 count), of which roughly 11% are trucks.

How long is US 169 over Csah 90 WB?

The structure is 150 ft (45.7 m) long with a longest span of 140 ft (42.7 m) and a deck 57 ft wide.

Who owns US 169 over Csah 90 WB?

It is owned by the State Highway Agency.