US Bridges

Csah 4 over E Br Chippewa River

Good

Pope County, Minnesota · 0.7 MI W of JCT Csah 19 · Structure no. 91520

Built
1978
47 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
50
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 4 over E Br Chippewa River is a concrete culvert carrying Csah 4 over E Br Chippewa River in Pope County, Minnesota. It was built in 1978, so it is 47 years old, older 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 45 by 2039. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 4
CrossesE Br Chippewa River
Location0.7 MI W of JCT Csah 19
RouteCounty Highway 4
Coordinates45.41956, -95.42395
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 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 alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.7 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2019)
Projected traffic45 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 4 over E Br Chippewa River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Csah 4 over E Br Chippewa River 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 2022.

How much traffic does Csah 4 over E Br Chippewa River carry?

About 50 vehicles per day (2019 count).

How long is Csah 4 over E Br Chippewa River?

The structure is 29 ft (8.7 m) long with a longest span of 13 ft (3.9 m).

Who owns Csah 4 over E Br Chippewa River?

It is owned by the County Highway Agency.