Northrop Street over Christiana Creek
GoodCass County, Michigan · 0.25 MI E of Chain Lk ST · Structure no. 000000000013268
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 56 ft
- 1 main span
- Daily traffic
- 143
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Northrop Street over Christiana Creek is a prestressed concrete box beam or girders - multiple carrying Northrop Street over Christiana Creek in Cass County, Michigan. It was built in 2008, so it is 17 years old, younger than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 143 vehicles a day, roughly 3% of them trucks, projected to reach 175 by 2039. The structure is 56 ft (17.1 m) long and 31 ft wide.
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Northrop Street over Christiana Creek built?
It was built in 2008, making it 17 years old in 2025.
What condition is Northrop Street over Christiana Creek 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 October 2024.
How much traffic does Northrop Street over Christiana Creek carry?
About 143 vehicles per day (2019 count), of which roughly 3% are trucks.
How long is Northrop Street over Christiana Creek?
The structure is 56 ft (17.1 m) long with a longest span of 52 ft (15.8 m) and a deck 31 ft wide.
Who owns Northrop Street over Christiana Creek?
It is owned by the County Highway Agency.