US Bridges

Csah 8 over Hill River

Good

Red Lake County, Minnesota · 0.4 MI W of JCT TH 92 · Structure no. 94205

Built
1991
34 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
400
2014 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over Hill River is a concrete culvert carrying Csah 8 over Hill River in Red Lake County, Minnesota. It was built in 1991, so it is 34 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 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 400 vehicles a day, roughly 14% of them trucks, projected to reach 400 by 2039. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 16.8 mi (27 km).

CarriesCsah 8
CrossesHill River
Location0.4 MI W of JCT TH 92
RouteCounty Highway 8
Coordinates47.77535, -95.86345
Functional classRural Major 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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length27 ft (8.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2014)
Projected traffic400 by 2039
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Hill River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Csah 8 over Hill 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 2024.

How much traffic does Csah 8 over Hill River carry?

About 400 vehicles per day (2014 count), of which roughly 14% are trucks.

How long is Csah 8 over Hill River?

The structure is 27 ft (8.1 m) long with a longest span of 10 ft (3 m).

Who owns Csah 8 over Hill River?

It is owned by the County Highway Agency.