US Bridges

Csah 18 over Trib to Rock River

Good

Pipestone County, Minnesota · 0.5 MI N of JCT Twp 265 · Structure no. 59K18

Built
2020
5 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
700
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 18 over Trib to Rock River is a concrete culvert carrying Csah 18 over Trib to Rock River in Pipestone County, Minnesota. It was built in 2020, so it is 5 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 700 vehicles a day, projected to reach 965 by 2036. The structure is 39 ft (11.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 18
CrossesTrib to Rock River
Location0.5 MI N of JCT Twp 265
RouteCounty Highway 18
Coordinates43.97171, -96.10409
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 protection8 Very GoodNo problems noted.
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 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 spans3
Design loadHS 20
Structure length39 ft (11.8 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2016)
Projected traffic965 by 2036
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 18 over Trib to Rock River built?

It was built in 2020, making it 5 years old in 2025.

What condition is Csah 18 over Trib to Rock 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 18 over Trib to Rock River carry?

About 700 vehicles per day (2016 count).

How long is Csah 18 over Trib to Rock River?

The structure is 39 ft (11.8 m) long with a longest span of 11 ft (3.5 m).

Who owns Csah 18 over Trib to Rock River?

It is owned by the County Highway Agency.