Csah 22 over Kohlman Creek

Fair

Ramsey County, Minnesota · 0.2 MI NE of JCT Csah 23 · Structure no. 62537

Built: 1982; 43 years old
Condition: Fair; inspected November 2023
Type: Slab; Concrete Continuous
Length: 75 ft; 3 main spans
Daily traffic: 1,700; 2022 count
Owner: County; County Highway Agency

About this bridge

Csah 22 over Kohlman Creek is a concrete continuous slab carrying Csah 22 over Kohlman Creek in Ramsey County, Minnesota. It was built in 1982, so it is 43 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 1,700 vehicles a day, projected to reach 2,100 by 2042. The structure is 75 ft (23 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCsah 22

CrossesKohlman Creek

Location0.2 MI NE of JCT Csah 23

RouteCounty Highway 22

CountyRamsey County

StateMinnesota

Coordinates45.02273, -93.06404

Functional classUrban Minor Arterial

Condition and inspection

Fair

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

Component	Rating	Meaning
Deck	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure	7 Good	Some minor problems.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionNovember 2023

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

Deck geometry6: Equal to present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating67.7 US tons

Inventory rating41 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20

Structure length75 ft (23 m)

Longest span26 ft (7.9 m)

Deck width46 ft (14.1 m)

Roadway width36 ft (11 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2022)

Projected traffic2,100 by 2042

Trucks—

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway and pedestrian

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 22 over Kohlman Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Csah 22 over Kohlman 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 November 2023.

How much traffic does Csah 22 over Kohlman Creek carry?

About 1,700 vehicles per day (2022 count).

How long is Csah 22 over Kohlman Creek?

The structure is 75 ft (23 m) long with a longest span of 26 ft (7.9 m) and a deck 46 ft wide.

Who owns Csah 22 over Kohlman Creek?

It is owned by the County Highway Agency.