US Bridges

US 8 over Center Lake Channel

Fair

Chisago County, Minnesota · 5.8 MI W of JCT TH 95 · Structure no. 13004

Built
2005
20 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
72 ft
3 main spans
Daily traffic
13,800
2019 count
Owner
State
State Highway Agency

About this bridge

US 8 over Center Lake Channel is a prestressed concrete tee beam carrying US 8 over Center Lake Channel in Chisago County, Minnesota. It was built in 2005, so it is 20 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 13,800 vehicles a day, roughly 3% of them trucks, projected to reach 14,500 by 2039. The structure is 72 ft (22 m) long and 76 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesUS 8
CrossesCenter Lake Channel
Location5.8 MI W of JCT TH 95
RouteU.S. Route 8
CountyChisago County
StateMinnesota
Coordinates45.39008, -92.81911
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.2 US tons
Inventory rating44.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length72 ft (22 m)
Longest span27 ft (8.2 m)
Deck width76 ft (23.3 m)
Roadway width62 ft (19 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,800 (2019)
Projected traffic14,500 by 2039
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

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$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 8 over Center Lake Channel built?

It was built in 2005, making it 20 years old in 2025.

What condition is US 8 over Center Lake Channel 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 August 2023.

How much traffic does US 8 over Center Lake Channel carry?

About 13,800 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is US 8 over Center Lake Channel?

The structure is 72 ft (22 m) long with a longest span of 27 ft (8.2 m) and a deck 76 ft wide.

Who owns US 8 over Center Lake Channel?

It is owned by the State Highway Agency.