US Bridges

Csah 14 over I 35

Fair

Pine County, Minnesota · 9.7 MI N of JCT TH 70 · Structure no. 58806

Built
1962
63 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
179 ft
4 main spans
Daily traffic
1,150
2020 count
Owner
State
State Highway Agency

About this bridge

Csah 14 over I 35 is a prestressed concrete stringer/multi-beam or girder carrying Csah 14 over I 35 in Pine County, Minnesota. It was built in 1962, so it is 63 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 6 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 1,150 vehicles a day, projected to reach 1,150 by 2040. The structure is 179 ft (54.7 m) long and 33 ft wide.

CarriesCsah 14
CrossesI 35
Location9.7 MI N of JCT TH 70
RouteCounty Highway 14
Coordinates45.90403, -92.96679
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating29.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length179 ft (54.7 m)
Longest span60 ft (18.2 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,150 (2020)
Projected traffic1,150 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 1962, making it 63 years old in 2025.

What condition is Csah 14 over I 35 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 14 over I 35 carry?

About 1,150 vehicles per day (2020 count).

How long is Csah 14 over I 35?

The structure is 179 ft (54.7 m) long with a longest span of 60 ft (18.2 m) and a deck 33 ft wide.

Who owns Csah 14 over I 35?

It is owned by the State Highway Agency.