US Bridges

Cassopolis RD over Christiana Creek

PoorPosted for load

Cass County, Michigan · 580 Ft N of Mt Zion ST · Structure no. 000000000014383

Built
1960
65 years old
Condition
Poor
inspected October 2024
Type
Culvert
Steel
Length
21 ft
3 main spans
Daily traffic
159
2016 count
Owner
County
County Highway Agency

About this bridge

Cassopolis RD over Christiana Creek is a steel culvert carrying Cassopolis RD over Christiana Creek in Cass County, Michigan. It was built in 1960, so it is 65 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 159 vehicles a day, roughly 1% of them trucks, projected to reach 183 by 2036. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCassopolis RD
CrossesChristiana Creek
Location580 Ft N of Mt Zion ST
RouteCounty Highway 0
CountyCass County
StateMichigan
Coordinates41.8484, -85.9731
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Last inspectionOctober 2024
Inspection intervalevery 6 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19.6 US tons
Inventory rating11.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic159 (2016)
Projected traffic183 by 2036
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Cassopolis RD over Christiana Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Cassopolis RD over Christiana Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Cassopolis RD over Christiana Creek carry?

About 159 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Cassopolis RD over Christiana Creek?

The structure is 21 ft (6.3 m) long with a longest span of 5 ft (1.5 m).

Who owns Cassopolis RD over Christiana Creek?

It is owned by the County Highway Agency.