US Bridges

Csah 91 over Stream

Good

Dakota County, Minnesota · 2.8 MI SW of JCT TH 61 · Structure no. 19J59

Built
2013
12 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
110
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 91 over Stream is a concrete culvert carrying Csah 91 over Stream in Dakota County, Minnesota. It was built in 2013, so it is 12 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 110 vehicles a day, projected to reach 125 by 2038. The structure is 34 ft (10.5 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCsah 91
CrossesStream
Location2.8 MI SW of JCT TH 61
RouteCounty Highway 91
Coordinates44.56581, -92.82849
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 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 alignment6: Equal to present minimum criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length34 ft (10.5 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2018)
Projected traffic125 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 91 over Stream built?

It was built in 2013, making it 12 years old in 2025.

What condition is Csah 91 over Stream 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 November 2023.

How much traffic does Csah 91 over Stream carry?

About 110 vehicles per day (2018 count).

How long is Csah 91 over Stream?

The structure is 34 ft (10.5 m) long with a longest span of 16 ft (4.9 m).

Who owns Csah 91 over Stream?

It is owned by the County Highway Agency.