US Bridges

Csah 3 over Salem Creek

Good

Olmsted County, Minnesota · 0.5 MI S of JCT Csah 25 · Structure no. 55515

Built
1967
58 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
140 ft
3 main spans
Daily traffic
1,050
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 3 over Salem Creek is a steel continuous stringer/multi-beam or girder carrying Csah 3 over Salem Creek in Olmsted County, Minnesota. It was built in 1967, so it is 58 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,050 vehicles a day, projected to reach 1,384 by 2040. The structure is 140 ft (42.8 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCsah 3
CrossesSalem Creek
Location0.5 MI S of JCT Csah 25
RouteCounty Highway 3
Coordinates43.97903, -92.60819
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating27.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length140 ft (42.8 m)
Longest span52 ft (15.8 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2020)
Projected traffic1,384 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 3 over Salem Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Csah 3 over Salem Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Csah 3 over Salem Creek carry?

About 1,050 vehicles per day (2020 count).

How long is Csah 3 over Salem Creek?

The structure is 140 ft (42.8 m) long with a longest span of 52 ft (15.8 m) and a deck 35 ft wide.

Who owns Csah 3 over Salem Creek?

It is owned by the County Highway Agency.