US Bridges

Csah 120 over TH 15

Good

Stearns County, Minnesota · 2.5 MI N of JCT TH 23 · Structure no. 73017

Built
2013
12 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
221 ft
2 main spans
Daily traffic
19,700
2017 count
Owner
State
State Highway Agency

About this bridge

Csah 120 over TH 15 is a prestressed concrete stringer/multi-beam or girder carrying Csah 120 over TH 15 in Stearns County, Minnesota. It was built in 2013, so it is 12 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 19,700 vehicles a day, roughly 3% of them trucks, projected to reach 19,700 by 2039. The structure is 221 ft (67.3 m) long and 88 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 120
CrossesTH 15
Location2.5 MI N of JCT TH 23
RouteCounty Highway 120
CountyStearns County
StateMinnesota
Coordinates45.58643, -94.19941
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating36.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length221 ft (67.3 m)
Longest span109 ft (33.3 m)
Deck width88 ft (26.9 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,700 (2017)
Projected traffic19,700 by 2039
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 120 over TH 15 built?

It was built in 2013, making it 12 years old in 2025.

What condition is Csah 120 over TH 15 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 120 over TH 15 carry?

About 19,700 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Csah 120 over TH 15?

The structure is 221 ft (67.3 m) long with a longest span of 109 ft (33.3 m) and a deck 88 ft wide.

Who owns Csah 120 over TH 15?

It is owned by the State Highway Agency.