US Bridges

Csah 4 over Rabbit River

Good

Wilkin County, Minnesota · 0.5 MI S of JCT TH 9 · Structure no. 84535

Built
2023
2 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
155 ft
3 main spans
Daily traffic
270
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 4 over Rabbit River is a prestressed concrete stringer/multi-beam or girder carrying Csah 4 over Rabbit River in Wilkin County, Minnesota. It was built in 2023, so it is 2 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 270 vehicles a day, projected to reach 270 by 2041. The structure is 155 ft (47.3 m) long and 35 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesCsah 4
CrossesRabbit River
Location0.5 MI S of JCT TH 9
RouteCounty Highway 4
Coordinates46.09528, -96.41052
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating52.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length155 ft (47.3 m)
Longest span58 ft (17.7 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2021)
Projected traffic270 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 4 over Rabbit River built?

It was built in 2023, making it 2 years old in 2025.

What condition is Csah 4 over Rabbit 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 September 2023.

How much traffic does Csah 4 over Rabbit River carry?

About 270 vehicles per day (2021 count).

How long is Csah 4 over Rabbit River?

The structure is 155 ft (47.3 m) long with a longest span of 58 ft (17.7 m) and a deck 35 ft wide.

Who owns Csah 4 over Rabbit River?

It is owned by the County Highway Agency.