US Bridges

Csah 39 over I 494

Fair

Hennepin County, Minnesota · 0.3 MI NW of JCT TH 5 · Structure no. 27761

Built
1983
42 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
253 ft
2 main spans
Daily traffic
17,000
2016 count
Owner
State
State Highway Agency

About this bridge

Csah 39 over I 494 is a steel continuous stringer/multi-beam or girder carrying Csah 39 over I 494 in Hennepin County, Minnesota. It was built in 1983, so it is 42 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 17,000 vehicles a day, projected to reach 17,000 by 2039. The structure is 253 ft (77.1 m) long and 89 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 39
CrossesI 494
Location0.3 MI NW of JCT TH 5
RouteCounty Highway 39
CountyHennepin County
StateMinnesota
Coordinates44.86869, -93.43253
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.2 US tons
Inventory rating58.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length253 ft (77.1 m)
Longest span101 ft (30.8 m)
Deck width89 ft (27 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,000 (2016)
Projected traffic17,000 by 2039
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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 494 built?

It was built in 1983, making it 42 years old in 2025.

What condition is Csah 39 over I 494 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 Csah 39 over I 494 carry?

About 17,000 vehicles per day (2016 count).

How long is Csah 39 over I 494?

The structure is 253 ft (77.1 m) long with a longest span of 101 ft (30.8 m) and a deck 89 ft wide.

Who owns Csah 39 over I 494?

It is owned by the State Highway Agency.