US Bridges

CR 109 over I 90

Fair

Faribault County, Minnesota · 7.2 MI E of JCT TH 169 · Structure no. 22810

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
310 ft
4 main spans
Daily traffic
110
2019 count
Owner
State
State Highway Agency

About this bridge

CR 109 over I 90 is a prestressed concrete stringer/multi-beam or girder carrying CR 109 over I 90 in Faribault County, Minnesota. It was built in 1975, so it is 50 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 110 vehicles a day, projected to reach 60 by 2039. The structure is 310 ft (94.6 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCR 109
CrossesI 90
Location7.2 MI E of JCT TH 169
RouteCounty Highway 109
CountyFaribault County
StateMinnesota
Coordinates43.65169, -93.96788
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 inspectionOctober 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 geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70.2 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length310 ft (94.6 m)
Longest span86 ft (26.2 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2019)
Projected traffic60 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 CR 109 over I 90 built?

It was built in 1975, making it 50 years old in 2025.

What condition is CR 109 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 October 2023.

How much traffic does CR 109 over I 90 carry?

About 110 vehicles per day (2019 count).

How long is CR 109 over I 90?

The structure is 310 ft (94.6 m) long with a longest span of 86 ft (26.2 m) and a deck 36 ft wide.

Who owns CR 109 over I 90?

It is owned by the State Highway Agency.