US Bridges

Csah 8 over Leech Lake River

FairPosted for load

Cass County, Minnesota · 2.8 MI N of JCT Csah 73 · Structure no. 11504

Built
1963
62 years old
Condition
Fair
inspected September 2023
Type
Slab
Wood or Timber
Length
130 ft
5 main spans
Daily traffic
750
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over Leech Lake River is a wood or timber slab carrying Csah 8 over Leech Lake River in Cass County, Minnesota. It was built in 1963, so it is 62 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 6 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 750 vehicles a day, projected to reach 680 by 2039. The structure is 130 ft (39.7 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 8
CrossesLeech Lake River
Location2.8 MI N of JCT Csah 73
RouteCounty Highway 8
Coordinates47.24783, -94.21997
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating33.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans5
Design loadH 20
Structure length130 ft (39.7 m)
Longest span26 ft (8 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2019)
Projected traffic680 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 8 over Leech Lake River built?

It was built in 1963, making it 62 years old in 2025.

What condition is Csah 8 over Leech Lake 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 2023.

How much traffic does Csah 8 over Leech Lake River carry?

About 750 vehicles per day (2019 count).

How long is Csah 8 over Leech Lake River?

The structure is 130 ft (39.7 m) long with a longest span of 26 ft (8 m) and a deck 31 ft wide.

Who owns Csah 8 over Leech Lake River?

It is owned by the County Highway Agency.