US Bridges

Csah 15 over Bnsf; Dak Rr; ST

Poor

Hennepin County, Minnesota · 0.3 MI S of JCT TH 12 · Structure no. 27565

Built
1973
52 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
344 ft
5 main spans
Daily traffic
23,800
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 15 over Bnsf; Dak Rr; ST is a steel continuous stringer/multi-beam or girder carrying Csah 15 over Bnsf; Dak Rr; ST in Hennepin County, Minnesota. It was built in 1973, so it is 52 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 23,800 vehicles a day, projected to reach 23,800 by 2039. The structure is 344 ft (104.7 m) long and 71 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 15
CrossesBnsf; Dak Rr; ST
Location0.3 MI S of JCT TH 12
RouteCounty Highway 15
CountyHennepin County
StateMinnesota
Coordinates44.97153, -93.53163
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38.3 US tons
Inventory rating29.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length344 ft (104.7 m)
Longest span70 ft (21.3 m)
Deck width71 ft (21.5 m)
Roadway width64 ft (19.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,800 (2017)
Projected traffic23,800 by 2039
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 15 over Bnsf; Dak Rr; ST built?

It was built in 1973, making it 52 years old in 2025.

What condition is Csah 15 over Bnsf; Dak Rr; ST in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Csah 15 over Bnsf; Dak Rr; ST carry?

About 23,800 vehicles per day (2017 count).

How long is Csah 15 over Bnsf; Dak Rr; ST?

The structure is 344 ft (104.7 m) long with a longest span of 70 ft (21.3 m) and a deck 71 ft wide.

Who owns Csah 15 over Bnsf; Dak Rr; ST?

It is owned by the County Highway Agency.