US Bridges

Csah 12 over Medford Creek

Good

Steele County, Minnesota · 0.1 MI E of JCT Csah 1 · Structure no. 74535

Built
1994
31 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
94 ft
1 main span
Daily traffic
1,400
2015 count
Owner
County
County Highway Agency

About this bridge

Csah 12 over Medford Creek is a prestressed concrete stringer/multi-beam or girder carrying Csah 12 over Medford Creek in Steele County, Minnesota. It was built in 1994, so it is 31 years old, younger 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 1,400 vehicles a day, projected to reach 1,400 by 2035. The structure is 94 ft (28.5 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 12
CrossesMedford Creek
Location0.1 MI E of JCT Csah 1
RouteCounty Highway 12
Coordinates44.17482, -93.22511
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.1 US tons
Inventory rating47.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length94 ft (28.5 m)
Longest span89 ft (27.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2015)
Projected traffic1,400 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 12 over Medford Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Csah 12 over Medford 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 2024.

How much traffic does Csah 12 over Medford Creek carry?

About 1,400 vehicles per day (2015 count).

How long is Csah 12 over Medford Creek?

The structure is 94 ft (28.5 m) long with a longest span of 89 ft (27.1 m) and a deck 47 ft wide.

Who owns Csah 12 over Medford Creek?

It is owned by the County Highway Agency.