US Bridges

Csah 33 over BNSF RR

Fair

Lyon County, Minnesota · 0.6 MI E of JCT TH 59 · Structure no. 42539

Built
1983
42 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
154 ft
3 main spans
Daily traffic
4,014
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 33 over BNSF RR is a steel continuous stringer/multi-beam or girder carrying Csah 33 over BNSF RR in Lyon County, Minnesota. It was built in 1983, so it is 42 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,014 vehicles a day, projected to reach 4,700 by 2042. The structure is 154 ft (46.8 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 33
CrossesBNSF RR
Location0.6 MI E of JCT TH 59
RouteCounty Highway 33
Coordinates44.4703, -95.78683
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.7 US tons
Inventory rating38.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length154 ft (46.8 m)
Longest span61 ft (18.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,014 (2022)
Projected traffic4,700 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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 33 over BNSF RR built?

It was built in 1983, making it 42 years old in 2025.

What condition is Csah 33 over BNSF RR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Csah 33 over BNSF RR carry?

About 4,014 vehicles per day (2022 count).

How long is Csah 33 over BNSF RR?

The structure is 154 ft (46.8 m) long with a longest span of 61 ft (18.6 m) and a deck 47 ft wide.

Who owns Csah 33 over BNSF RR?

It is owned by the County Highway Agency.