US Bridges

Csah 14 over I 90

Fair

Freeborn County, Minnesota · 2.7 MI W of JCT TH 13 · Structure no. 24813

Built
1970
55 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
311 ft
4 main spans
Daily traffic
295
2019 count
Owner
State
State Highway Agency

About this bridge

Csah 14 over I 90 is a prestressed concrete stringer/multi-beam or girder carrying Csah 14 over I 90 in Freeborn County, Minnesota. It was built in 1970, so it is 55 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 295 vehicles a day, roughly 22% of them trucks, projected to reach 270 by 2039. The structure is 311 ft (94.7 m) long and 40 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesCsah 14
CrossesI 90
Location2.7 MI W of JCT TH 13
RouteCounty Highway 14
CountyFreeborn County
StateMinnesota
Coordinates43.68, -93.46871
Functional classRural Local

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 inspectionAugust 2023
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 geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length311 ft (94.7 m)
Longest span85 ft (26 m)
Deck width40 ft (12.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic295 (2019)
Projected traffic270 by 2039
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.3 mi (23 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 14 over I 90 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Csah 14 over I 90 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 August 2023.

How much traffic does Csah 14 over I 90 carry?

About 295 vehicles per day (2019 count), of which roughly 22% are trucks.

How long is Csah 14 over I 90?

The structure is 311 ft (94.7 m) long with a longest span of 85 ft (26 m) and a deck 40 ft wide.

Who owns Csah 14 over I 90?

It is owned by the State Highway Agency.