US Bridges

Csah 77 over CO Ditch # 2

Fair

Ramsey County, Minnesota · 0.1 MI S of JCT Csah 15 · Structure no. 93533

Built
1968
57 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
7,630
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 77 over CO Ditch # 2 is a concrete culvert carrying Csah 77 over CO Ditch # 2 in Ramsey County, Minnesota. It was built in 1968, so it is 57 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 6 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 7,630 vehicles a day, projected to reach 10,400 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 77
CrossesCO Ditch # 2
Location0.1 MI S of JCT Csah 15
RouteCounty Highway 77
CountyRamsey County
StateMinnesota
Coordinates45.05108, -93.19951
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.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable 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 length23 ft (7 m)
Longest span6 ft (1.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,630 (2022)
Projected traffic10,400 by 2042
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$21 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 77 over CO Ditch # 2 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Csah 77 over CO Ditch # 2 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 October 2023.

How much traffic does Csah 77 over CO Ditch # 2 carry?

About 7,630 vehicles per day (2022 count).

How long is Csah 77 over CO Ditch # 2?

The structure is 23 ft (7 m) long with a longest span of 6 ft (1.7 m).

Who owns Csah 77 over CO Ditch # 2?

It is owned by the County Highway Agency.