US Bridges

Csah 16 over Minnehaha Creek

Fair

Hennepin County, Minnesota · At JCT Csah 5 · Structure no. 91051

Built
1965
60 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
8,246
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 16 over Minnehaha Creek is a concrete culvert carrying Csah 16 over Minnehaha Creek in Hennepin County, Minnesota. It was built in 1965, so it is 60 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,246 vehicles a day, projected to reach 8,500 by 2041. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCsah 16
CrossesMinnehaha Creek
LocationAt JCT Csah 5
RouteCounty Highway 16
CountyHennepin County
StateMinnesota
Coordinates44.94088, -93.45796
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,246 (2021)
Projected traffic8,500 by 2041
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$39 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 16 over Minnehaha Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Csah 16 over Minnehaha Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Csah 16 over Minnehaha Creek carry?

About 8,246 vehicles per day (2021 count).

How long is Csah 16 over Minnehaha Creek?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m).

Who owns Csah 16 over Minnehaha Creek?

It is owned by the County Highway Agency and maintained by the State Highway Agency.