US Bridges

T 600 over Central Lakes Trail

FairPosted for load

Douglas County, Minnesota · 0.7 MI N of JCT TH 27 · Structure no. 21507

Built
1978
47 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
125 ft
7 main spans
Daily traffic
50
1986 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

T 600 over Central Lakes Trail is a wood or timber stringer/multi-beam or girder carrying T 600 over Central Lakes Trail in Douglas County, Minnesota. It was built in 1978, so it is 47 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 5 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 50 vehicles a day, projected to reach 50 by 2029. The structure is 125 ft (38.1 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesT 600
CrossesCentral Lakes Trail
Location0.7 MI N of JCT TH 27
RouteCounty Highway 600
CountyDouglas County
StateMinnesota
Coordinates45.87761, -95.20231
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating37.1 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans7
Design loadUnknown
Structure length125 ft (38.1 m)
Longest span27 ft (8.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1986)
Projected traffic50 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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 600 over Central Lakes Trail built?

It was built in 1978, making it 47 years old in 2025.

What condition is T 600 over Central Lakes Trail 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 2024.

How much traffic does T 600 over Central Lakes Trail carry?

About 50 vehicles per day (1986 count).

How long is T 600 over Central Lakes Trail?

The structure is 125 ft (38.1 m) long with a longest span of 27 ft (8.2 m) and a deck 30 ft wide.

Who owns T 600 over Central Lakes Trail?

It is owned by the State Park, Forest, or Reservation Agency.