US Bridges

CR 138 over I 35

Good

Carlton County, Minnesota · 3.0 MI N of JCT TH 27 · Structure no. 09832

Built
1968
57 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
225 ft
4 main spans
Daily traffic
164
2022 count
Owner
State
State Highway Agency

About this bridge

CR 138 over I 35 is a prestressed concrete stringer/multi-beam or girder carrying CR 138 over I 35 in Carlton County, Minnesota. It was built in 1968, so it is 57 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 164 vehicles a day, projected to reach 265 by 2042. The structure is 225 ft (68.5 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCR 138
CrossesI 35
Location3.0 MI N of JCT TH 27
RouteCounty Highway 138
Coordinates46.49082, -92.69845
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.5 US tons
Inventory rating32.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length225 ft (68.5 m)
Longest span71 ft (21.5 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic164 (2022)
Projected traffic265 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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 CR 138 over I 35 built?

It was built in 1968, making it 57 years old in 2025.

What condition is CR 138 over I 35 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does CR 138 over I 35 carry?

About 164 vehicles per day (2022 count).

How long is CR 138 over I 35?

The structure is 225 ft (68.5 m) long with a longest span of 71 ft (21.5 m) and a deck 33 ft wide.

Who owns CR 138 over I 35?

It is owned by the State Highway Agency.