US Bridges

Csah 14 over I 35

Poor

St. Louis County, Minnesota · 2.1 MI SW of W JCT TH 2 · Structure no. 69846

Built
1966
59 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
193 ft
4 main spans
Daily traffic
4,150
2019 count
Owner
State
State Highway Agency

About this bridge

Csah 14 over I 35 is a steel continuous stringer/multi-beam or girder carrying Csah 14 over I 35 in St. Louis County, Minnesota. It was built in 1966, so it is 59 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 4,150 vehicles a day, projected to reach 3,950 by 2039. The structure is 193 ft (58.7 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 14
CrossesI 35
Location2.1 MI SW of W JCT TH 2
RouteCounty Highway 14
CountySt. Louis County
StateMinnesota
Coordinates46.72618, -92.21708
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Last inspectionJuly 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.7 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length193 ft (58.7 m)
Longest span58 ft (17.7 m)
Deck width36 ft (10.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,150 (2019)
Projected traffic3,950 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 14 over I 35 built?

It was built in 1966, making it 59 years old in 2025.

What condition is Csah 14 over I 35 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 July 2024.

How much traffic does Csah 14 over I 35 carry?

About 4,150 vehicles per day (2019 count).

How long is Csah 14 over I 35?

The structure is 193 ft (58.7 m) long with a longest span of 58 ft (17.7 m) and a deck 36 ft wide.

Who owns Csah 14 over I 35?

It is owned by the State Highway Agency.