US Bridges

Csah 110 over Channel

FairPosted for load

St. Louis County, Minnesota · 0.4 MI E of JCT CR633 · Structure no. 7771

Built
1956
69 years old
Condition
Fair
inspected July 2024
Type
Girder and Floorbeam System
Concrete
Length
33 ft
1 main span
Daily traffic
3,350
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 110 over Channel is a concrete girder and floorbeam system carrying Csah 110 over Channel in St. Louis County, Minnesota. It was built in 1956, so it is 69 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 3,350 vehicles a day, projected to reach 3,200 by 2039. The structure is 33 ft (10.1 m) long and 68 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

Location

Open in Google Maps
CarriesCsah 110
CrossesChannel
Location0.4 MI E of JCT CR633
RouteCounty Highway 110
CountySt. Louis County
StateMinnesota
Coordinates47.51818, -92.16886
Functional classRural Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.7 US tons
Inventory rating22 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width68 ft (20.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,350 (2019)
Projected traffic3,200 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$124 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 110 over Channel built?

It was built in 1956, making it 69 years old in 2025.

What condition is Csah 110 over 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 July 2024.

How much traffic does Csah 110 over Channel carry?

About 3,350 vehicles per day (2019 count).

How long is Csah 110 over Channel?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 68 ft wide.

Who owns Csah 110 over Channel?

It is owned by the County Highway Agency.