US Bridges

Csah 81 over I 94

Fair

Hennepin County, Minnesota · 2.0 MI SE of JCT TH 101 · Structure no. 27947

Built
1969
56 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
373 ft
4 main spans
Daily traffic
9,423
2022 count
Owner
State
State Highway Agency

About this bridge

Csah 81 over I 94 is a steel continuous stringer/multi-beam or girder carrying Csah 81 over I 94 in Hennepin County, Minnesota. It was built in 1969, so it is 56 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 9,423 vehicles a day, roughly 9% of them trucks, projected to reach 10,500 by 2042. The structure is 373 ft (113.8 m) long and 44 ft wide.

Location

Open in Google Maps
CarriesCsah 81
CrossesI 94
Location2.0 MI SE of JCT TH 101
RouteCounty Highway 81
CountyHennepin County
StateMinnesota
Coordinates45.17226, -93.52682
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.1 US tons
Inventory rating47.5 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 span102 ft (31.2 m)
Deck width44 ft (13.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,423 (2022)
Projected traffic10,500 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 81 over I 94 built?

It was built in 1969, making it 56 years old in 2025.

What condition is Csah 81 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 October 2024.

How much traffic does Csah 81 over I 94 carry?

About 9,423 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Csah 81 over I 94?

The structure is 373 ft (113.8 m) long with a longest span of 102 ft (31.2 m) and a deck 44 ft wide.

Who owns Csah 81 over I 94?

It is owned by the State Highway Agency.