US Bridges

T 605 over Kettle River

Fair

Pine County, Minnesota · 0.5 MI W of JCT Csah 61 · Structure no. 58524

Built
1995
30 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
184 ft
3 main spans
Daily traffic
82
1995 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 605 over Kettle River is a prestressed concrete stringer/multi-beam or girder carrying T 605 over Kettle River in Pine County, Minnesota. It was built in 1995, so it is 30 years old, younger 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 82 vehicles a day, projected to reach 82 by 2029. The structure is 184 ft (56 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesT 605
CrossesKettle River
Location0.5 MI W of JCT Csah 61
RouteCounty Highway 605
Coordinates46.30631, -92.86176
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.
Superstructure8 Very GoodNo problems noted.
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length184 ft (56 m)
Longest span61 ft (18.7 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic82 (1995)
Projected traffic82 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 605 over Kettle River built?

It was built in 1995, making it 30 years old in 2025.

What condition is T 605 over Kettle River 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 September 2024.

How much traffic does T 605 over Kettle River carry?

About 82 vehicles per day (1995 count).

How long is T 605 over Kettle River?

The structure is 184 ft (56 m) long with a longest span of 61 ft (18.7 m) and a deck 35 ft wide.

Who owns T 605 over Kettle River?

It is owned by the Town or Township Highway Agency.