US Bridges

Csah 146 over Luce Line Trail

FairPosted for load

Hennepin County, Minnesota · 0.9 MI S of JCT TH 12 · Structure no. 90623

Built
1955
70 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
97 ft
5 main spans
Daily traffic
3,587
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 146 over Luce Line Trail is a wood or timber stringer/multi-beam or girder carrying Csah 146 over Luce Line Trail in Hennepin County, Minnesota. It was built in 1955, so it is 70 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 3,587 vehicles a day, projected to reach 3,950 by 2041. The structure is 97 ft (29.5 m) long and 39 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesCsah 146
CrossesLuce Line Trail
Location0.9 MI S of JCT TH 12
RouteCounty Highway 146
CountyHennepin County
StateMinnesota
Coordinates44.97514, -93.57373
Functional classUrban Collector

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.5 US tons
Inventory rating25.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length97 ft (29.5 m)
Longest span22 ft (6.7 m)
Deck width39 ft (11.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,587 (2021)
Projected traffic3,950 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesPedestrian / bicycle
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$75 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 146 over Luce Line Trail built?

It was built in 1955, making it 70 years old in 2025.

What condition is Csah 146 over Luce Line 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 July 2023.

How much traffic does Csah 146 over Luce Line Trail carry?

About 3,587 vehicles per day (2021 count).

How long is Csah 146 over Luce Line Trail?

The structure is 97 ft (29.5 m) long with a longest span of 22 ft (6.7 m) and a deck 39 ft wide.

Who owns Csah 146 over Luce Line Trail?

It is owned by the County Highway Agency.