US Bridges

Csah 78 over Home Brook

Fair

Cass County, Minnesota · 0.1 MI W of JCT Csah 77 · Structure no. 11517

Built
1999
26 years old
Condition
Fair
inspected September 2024
Type
Slab
Wood or Timber
Length
98 ft
3 main spans
Daily traffic
1,450
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 78 over Home Brook is a wood or timber slab carrying Csah 78 over Home Brook in Cass County, Minnesota. It was built in 1999, so it is 26 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 5 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 1,450 vehicles a day, projected to reach 1,450 by 2039. The structure is 98 ft (29.9 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 78
CrossesHome Brook
Location0.1 MI W of JCT Csah 77
RouteCounty Highway 78
CountyCass County
StateMinnesota
Coordinates46.50794, -94.35367
Functional classRural Minor 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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 25 or greater
Structure length98 ft (29.9 m)
Longest span50 ft (15.2 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,450 (2019)
Projected traffic1,450 by 2039
Trucks—
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 78 over Home Brook built?

It was built in 1999, making it 26 years old in 2025.

What condition is Csah 78 over Home Brook 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 2024.

How much traffic does Csah 78 over Home Brook carry?

About 1,450 vehicles per day (2019 count).

How long is Csah 78 over Home Brook?

The structure is 98 ft (29.9 m) long with a longest span of 50 ft (15.2 m) and a deck 40 ft wide.

Who owns Csah 78 over Home Brook?

It is owned by the County Highway Agency.