US Bridges

US 169 over Csah 18

Fair

Scott County, Minnesota · 6.0 MI SW of JCT TH 494 · Structure no. 70528

Built
1994
31 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
191 ft
2 main spans
Daily traffic
29,500
2017 count
Owner
State
State Highway Agency

About this bridge

US 169 over Csah 18 is a prestressed concrete stringer/multi-beam or girder carrying US 169 over Csah 18 in Scott County, Minnesota. It was built in 1994, so it is 31 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 29,500 vehicles a day, roughly 7% of them trucks, projected to reach 29,500 by 2039. The structure is 191 ft (58.3 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 169
CrossesCsah 18
Location6.0 MI SW of JCT TH 494
RouteU.S. Route 169
Coordinates44.78621, -93.41341
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.2 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length191 ft (58.3 m)
Longest span95 ft (28.9 m)
Deck width59 ft (17.9 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,500 (2017)
Projected traffic29,500 by 2039
Trucks7%
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 18 built?

It was built in 1994, making it 31 years old in 2025.

What condition is US 169 over Csah 18 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 May 2023.

How much traffic does US 169 over Csah 18 carry?

About 29,500 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is US 169 over Csah 18?

The structure is 191 ft (58.3 m) long with a longest span of 95 ft (28.9 m) and a deck 59 ft wide.

Who owns US 169 over Csah 18?

It is owned by the State Highway Agency.