US Bridges

Csah 138 over I 94

Fair

Stearns County, Minnesota · 1.0 MI NW of JCT TH 23 · Structure no. 73864

Built
1976
49 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
306 ft
4 main spans
Daily traffic
850
2020 count
Owner
State
State Highway Agency

About this bridge

Csah 138 over I 94 is a prestressed concrete stringer/multi-beam or girder carrying Csah 138 over I 94 in Stearns County, Minnesota. It was built in 1976, so it is 49 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 850 vehicles a day, projected to reach 1,000 by 2040. The structure is 306 ft (93.2 m) long and 40 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 138
CrossesI 94
Location1.0 MI NW of JCT TH 23
RouteCounty Highway 138
Coordinates45.52449, -94.30039
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating32 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length306 ft (93.2 m)
Longest span92 ft (27.9 m)
Deck width40 ft (12.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2020)
Projected traffic1,000 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 138 over I 94 built?

It was built in 1976, making it 49 years old in 2025.

What condition is Csah 138 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 May 2024.

How much traffic does Csah 138 over I 94 carry?

About 850 vehicles per day (2020 count).

How long is Csah 138 over I 94?

The structure is 306 ft (93.2 m) long with a longest span of 92 ft (27.9 m) and a deck 40 ft wide.

Who owns Csah 138 over I 94?

It is owned by the State Highway Agency.