US Bridges

Csah 7 over CO Ditch # 15

Good

Benton County, Minnesota · 0.8 MI S of JCT TH 95 · Structure no. 91847

Built
1981
44 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
35 ft
3 main spans
Daily traffic
1,050
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over CO Ditch # 15 is a concrete culvert carrying Csah 7 over CO Ditch # 15 in Benton County, Minnesota. It was built in 1981, so it is 44 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,050 vehicles a day, projected to reach 1,050 by 2039. The structure is 35 ft (10.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 7
CrossesCO Ditch # 15
Location0.8 MI S of JCT TH 95
RouteCounty Highway 7
CountyBenton County
StateMinnesota
Coordinates45.57787, -93.82122
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.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length35 ft (10.8 m)
Longest span9 ft (2.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2019)
Projected traffic1,050 by 2039
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 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 7 over CO Ditch # 15 built?

It was built in 1981, making it 44 years old in 2025.

What condition is Csah 7 over CO Ditch # 15 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 2021.

How much traffic does Csah 7 over CO Ditch # 15 carry?

About 1,050 vehicles per day (2019 count).

How long is Csah 7 over CO Ditch # 15?

The structure is 35 ft (10.8 m) long with a longest span of 9 ft (2.6 m).

Who owns Csah 7 over CO Ditch # 15?

It is owned by the County Highway Agency.