US Bridges

Csah 17 over I 94

Fair

Clay County, Minnesota · 4.2 MI E of JCT TH 336 · Structure no. 14802

Built
1968
57 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
677 ft
8 main spans
Daily traffic
395
2021 count
Owner
State
State Highway Agency

About this bridge

Csah 17 over I 94 is a steel continuous stringer/multi-beam or girder carrying Csah 17 over I 94 in Clay County, Minnesota. It was built in 1968, so it is 57 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 5 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 395 vehicles a day, projected to reach 280 by 2041. The structure is 677 ft (206.2 m) long and 36 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesCsah 17
CrossesI 94
Location4.2 MI E of JCT TH 336
RouteCounty Highway 17
CountyClay County
StateMinnesota
Coordinates46.80802, -96.58876
Functional classRural Major 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.7 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length677 ft (206.2 m)
Longest span133 ft (40.5 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic395 (2021)
Projected traffic280 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

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 Csah 17 over I 94 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Csah 17 over I 94 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 September 2023.

How much traffic does Csah 17 over I 94 carry?

About 395 vehicles per day (2021 count).

How long is Csah 17 over I 94?

The structure is 677 ft (206.2 m) long with a longest span of 133 ft (40.5 m) and a deck 36 ft wide.

Who owns Csah 17 over I 94?

It is owned by the State Highway Agency.