US Bridges

T 634 over I 35

Fair

Pine County, Minnesota · 2.3 MI N of JCT Csah 43 · Structure no. 58813

Built
1965
60 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
209 ft
4 main spans
Daily traffic
34
1967 count
Owner
State
State Highway Agency

About this bridge

T 634 over I 35 is a steel continuous stringer/multi-beam or girder carrying T 634 over I 35 in Pine County, Minnesota. It was built in 1965, so it is 60 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 34 vehicles a day, projected to reach 34 by 2029. The structure is 209 ft (63.7 m) long and 33 ft wide.

CarriesT 634
CrossesI 35
Location2.3 MI N of JCT Csah 43
RouteCounty Highway 634
Coordinates46.34615, -92.8117
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating31 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length209 ft (63.7 m)
Longest span62 ft (18.9 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (1967)
Projected traffic34 by 2029
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 T 634 over I 35 built?

It was built in 1965, making it 60 years old in 2025.

What condition is T 634 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 May 2024.

How much traffic does T 634 over I 35 carry?

About 34 vehicles per day (1967 count).

How long is T 634 over I 35?

The structure is 209 ft (63.7 m) long with a longest span of 62 ft (18.9 m) and a deck 33 ft wide.

Who owns T 634 over I 35?

It is owned by the State Highway Agency.