US Bridges

Csah 23 over BNSF RR

PoorPosted for load

Ramsey County, Minnesota · 0.1 MI W of JCT Csah 52 · Structure no. 62519

Built
1970
55 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
225 ft
3 main spans
Daily traffic
6,350
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 23 over BNSF RR is a prestressed concrete stringer/multi-beam or girder carrying Csah 23 over BNSF RR in Ramsey County, Minnesota. It was built in 1970, so it is 55 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. Its operating status is: posted for load restriction.

It carries about 6,350 vehicles a day, projected to reach 10,900 by 2042. The structure is 225 ft (68.6 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCsah 23
CrossesBNSF RR
Location0.1 MI W of JCT Csah 52
RouteCounty Highway 23
CountyRamsey County
StateMinnesota
Coordinates45.01999, -93.14082
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating37.8 US tons
Inventory rating27.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length225 ft (68.6 m)
Longest span72 ft (21.9 m)
Deck width65 ft (19.7 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,350 (2022)
Projected traffic10,900 by 2042
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
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$1,000 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 23 over BNSF RR built?

It was built in 1970, making it 55 years old in 2025.

What condition is Csah 23 over BNSF RR 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 November 2024.

How much traffic does Csah 23 over BNSF RR carry?

About 6,350 vehicles per day (2022 count).

How long is Csah 23 over BNSF RR?

The structure is 225 ft (68.6 m) long with a longest span of 72 ft (21.9 m) and a deck 65 ft wide.

Who owns Csah 23 over BNSF RR?

It is owned by the County Highway Agency.