US Bridges

Csah 43 over Ada Brook

Good

Cass County, Minnesota · 0.6 MI S of JCT CR 118 · Structure no. 18J32

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
81
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 43 over Ada Brook is a concrete culvert carrying Csah 43 over Ada Brook in Cass County, Minnesota. It was built in 2024, so it is 1 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 81 vehicles a day, projected to reach 89 by 2042. The structure is 28 ft (8.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 43
CrossesAda Brook
Location0.6 MI S of JCT CR 118
RouteCounty Highway 43
Coordinates46.79728, -94.34355
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length28 ft (8.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81 (2022)
Projected traffic89 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 43 over Ada Brook built?

It was built in 2024, making it 1 years old in 2025.

What condition is Csah 43 over Ada Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Csah 43 over Ada Brook carry?

About 81 vehicles per day (2022 count).

How long is Csah 43 over Ada Brook?

The structure is 28 ft (8.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 43 over Ada Brook?

It is owned by the County Highway Agency.