US Bridges

Csah 24 over I 94

Poor

Otter Tail County, Minnesota · 15.1MI NW of JCT TH 210 · Structure no. 56804

Built
1968
57 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
301 ft
4 main spans
Daily traffic
385
2019 count
Owner
State
State Highway Agency

About this bridge

Csah 24 over I 94 is a prestressed concrete stringer/multi-beam or girder carrying Csah 24 over I 94 in Otter Tail County, Minnesota. It was built in 1968, so it is 57 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 385 vehicles a day, projected to reach 380 by 2039. The structure is 301 ft (91.8 m) long and 44 ft wide.

CarriesCsah 24
CrossesI 94
Location15.1MI NW of JCT TH 210
RouteCounty Highway 24
Coordinates46.47163, -96.26366
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating39.2 US tons
Inventory rating23.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length301 ft (91.8 m)
Longest span96 ft (29.4 m)
Deck width44 ft (13.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic385 (2019)
Projected traffic380 by 2039
Trucks—
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 24 over I 94 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Csah 24 over I 94 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Csah 24 over I 94 carry?

About 385 vehicles per day (2019 count).

How long is Csah 24 over I 94?

The structure is 301 ft (91.8 m) long with a longest span of 96 ft (29.4 m) and a deck 44 ft wide.

Who owns Csah 24 over I 94?

It is owned by the State Highway Agency.