US Bridges

Csah 8 over I 94

Fair

Douglas County, Minnesota · 2.1 MI NW of JCT TH114 · Structure no. 21812

Built
1967
58 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
327 ft
4 main spans
Daily traffic
1,100
2018 count
Owner
State
State Highway Agency

About this bridge

Csah 8 over I 94 is a steel continuous stringer/multi-beam or girder carrying Csah 8 over I 94 in Douglas County, Minnesota. It was built in 1967, so it is 58 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 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 1,100 vehicles a day, projected to reach 1,000 by 2038. The structure is 327 ft (99.6 m) long and 33 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesCsah 8
CrossesI 94
Location2.1 MI NW of JCT TH114
RouteCounty Highway 8
CountyDouglas County
StateMinnesota
Coordinates45.90469, -95.52667
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length327 ft (99.6 m)
Longest span103 ft (31.4 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2018)
Projected traffic1,000 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byCounty 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 8 over I 94 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Csah 8 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 2024.

How much traffic does Csah 8 over I 94 carry?

About 1,100 vehicles per day (2018 count).

How long is Csah 8 over I 94?

The structure is 327 ft (99.6 m) long with a longest span of 103 ft (31.4 m) and a deck 33 ft wide.

Who owns Csah 8 over I 94?

It is owned by the State Highway Agency and maintained by the County Highway Agency.