US Bridges

Csah 80 over BNSF RR

FairPosted for load

Itasca County, Minnesota · 0.1 MI N of JCT TH 169 · Structure no. 88246

Built
1971
54 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
105 ft
5 main spans
Daily traffic
710
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 80 over BNSF RR is a wood or timber stringer/multi-beam or girder carrying Csah 80 over BNSF RR in Itasca County, Minnesota. It was built in 1971, so it is 54 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. Its operating status is: posted for load restriction.

It carries about 710 vehicles a day, projected to reach 710 by 2039. The structure is 105 ft (32.1 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCsah 80
CrossesBNSF RR
Location0.1 MI N of JCT TH 169
RouteCounty Highway 80
CountyItasca County
StateMinnesota
Coordinates47.31825, -93.29577
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load 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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating29.9 US tons
Inventory rating19.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans5
Design loadUnknown
Structure length105 ft (32.1 m)
Longest span25 ft (7.6 m)
Deck width41 ft (12.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2017)
Projected traffic710 by 2039
Trucks—
Lanes on structure2
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$850 million (2017 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 80 over BNSF RR built?

It was built in 1971, making it 54 years old in 2025.

What condition is Csah 80 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 April 2024.

How much traffic does Csah 80 over BNSF RR carry?

About 710 vehicles per day (2017 count).

How long is Csah 80 over BNSF RR?

The structure is 105 ft (32.1 m) long with a longest span of 25 ft (7.6 m) and a deck 41 ft wide.

Who owns Csah 80 over BNSF RR?

It is owned by the County Highway Agency.