US Bridges

Csah 39 over I 94

Fair

Wright County, Minnesota · 1.1 MI W of JCT TH 25 · Structure no. 86802

Built
1971
54 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
373 ft
4 main spans
Daily traffic
3,545
2022 count
Owner
State
State Highway Agency

About this bridge

Csah 39 over I 94 is a steel continuous stringer/multi-beam or girder carrying Csah 39 over I 94 in Wright County, Minnesota. It was built in 1971, so it is 54 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 3,545 vehicles a day, projected to reach 3,100 by 2042. The structure is 373 ft (113.8 m) long and 47 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCsah 39
CrossesI 94
Location1.1 MI W of JCT TH 25
RouteCounty Highway 39
CountyWright County
StateMinnesota
Coordinates45.30656, -93.81969
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
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 rating66.4 US tons
Inventory rating39.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length373 ft (113.8 m)
Longest span115 ft (35.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,545 (2022)
Projected traffic3,100 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 39 over I 94 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Csah 39 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 April 2024.

How much traffic does Csah 39 over I 94 carry?

About 3,545 vehicles per day (2022 count).

How long is Csah 39 over I 94?

The structure is 373 ft (113.8 m) long with a longest span of 115 ft (35.1 m) and a deck 47 ft wide.

Who owns Csah 39 over I 94?

It is owned by the State Highway Agency.