US Bridges

T 106 over Jack Creek

FairPosted for load

Jackson County, Minnesota · 0.7 MI S of JCT TH 60 · Structure no. L9541

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Slab
Wood or Timber
Length
78 ft
3 main spans
Daily traffic
20
1988 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 106 over Jack Creek is a wood or timber slab carrying T 106 over Jack Creek in Jackson County, Minnesota. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 20 by 2029. The structure is 78 ft (23.8 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 106
CrossesJack Creek
Location0.7 MI S of JCT TH 60
RouteCounty Highway 106
Coordinates43.77574, -95.33567
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.9 US tons
Inventory rating36.2 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span26 ft (7.9 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1988)
Projected traffic20 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$154 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T 106 over Jack Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is T 106 over Jack Creek 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 October 2023.

How much traffic does T 106 over Jack Creek carry?

About 20 vehicles per day (1988 count).

How long is T 106 over Jack Creek?

The structure is 78 ft (23.8 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns T 106 over Jack Creek?

It is owned by the Town or Township Highway Agency.