US Bridges

Csah 15 over BNSF RR

Good

Ramsey County, Minnesota · 0.2 MI E of JCT TH 61 · Structure no. 62079

Built
1977
48 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
154 ft
3 main spans
Daily traffic
11,901
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 15 over BNSF RR is a prestressed concrete stringer/multi-beam or girder carrying Csah 15 over BNSF RR in Ramsey County, Minnesota. It was built in 1977, so it is 48 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 11,901 vehicles a day, roughly 2% of them trucks, projected to reach 13,700 by 2042. The structure is 154 ft (46.9 m) long and 86 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 15
CrossesBNSF RR
Location0.2 MI E of JCT TH 61
RouteCounty Highway 15
Coordinates45.0503, -93.03271
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.1 US tons
Inventory rating33.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span51 ft (15.5 m)
Deck width86 ft (26.3 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,901 (2022)
Projected traffic13,700 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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 RR built?

It was built in 1977, making it 48 years old in 2025.

What condition is Csah 15 over BNSF RR 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 November 2023.

How much traffic does Csah 15 over BNSF RR carry?

About 11,901 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Csah 15 over BNSF RR?

The structure is 154 ft (46.9 m) long with a longest span of 51 ft (15.5 m) and a deck 86 ft wide.

Who owns Csah 15 over BNSF RR?

It is owned by the County Highway Agency.