US Bridges

Csah 45 over Mn 22

Fair

Le Sueur County, Minnesota · 0.6 MI SE of S JCT TH 16 · Structure no. 40003

Built
1984
41 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
110 ft
1 main span
Daily traffic
1,092
2022 count
Owner
State
State Highway Agency

About this bridge

Csah 45 over Mn 22 is a steel stringer/multi-beam or girder carrying Csah 45 over Mn 22 in Le Sueur County, Minnesota. It was built in 1984, so it is 41 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 1,092 vehicles a day, projected to reach 1,700 by 2042. The structure is 110 ft (33.6 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 45
CrossesMn 22
Location0.6 MI SE of S JCT TH 16
RouteCounty Highway 45
CountyLe Sueur County
StateMinnesota
Coordinates44.30653, -93.95897
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 rating106.9 US tons
Inventory rating64.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length110 ft (33.6 m)
Longest span105 ft (31.9 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,092 (2022)
Projected traffic1,700 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 45 over Mn 22 built?

It was built in 1984, making it 41 years old in 2025.

What condition is Csah 45 over Mn 22 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 July 2024.

How much traffic does Csah 45 over Mn 22 carry?

About 1,092 vehicles per day (2022 count).

How long is Csah 45 over Mn 22?

The structure is 110 ft (33.6 m) long with a longest span of 105 ft (31.9 m) and a deck 35 ft wide.

Who owns Csah 45 over Mn 22?

It is owned by the State Highway Agency.