21st St. North over Trib to Four Mile Creek
GoodSedgwick County, Kansas · 21st W. of Greenwich · Structure no. 430400876500080
- Built
- 1971
- 54 years old, rebuilt 2004
- Condition
- Good
- inspected September 2023
- Type
- Culvert
- Concrete
- Length
- 46 ft
- 5 main spans
- Daily traffic
- 15,000
- 2006 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
21st St. North over Trib to Four Mile Creek is a concrete culvert carrying 21st St. North over Trib to Four Mile Creek in Sedgwick County, Kansas. It was built in 1971 and reconstructed in 2004, so it is 54 years old, older than the Kansas average of 52.8 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 15,000 vehicles a day, roughly 2% of them trucks, projected to reach 20,000 by 2039. The structure is 46 ft (14 m) long. If it were closed, the detour would be 1.2 mi (2 km).
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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 21st St. North over Trib to Four Mile Creek built?
It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2004.
What condition is 21st St. North over Trib to Four Mile 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 September 2023.
How much traffic does 21st St. North over Trib to Four Mile Creek carry?
About 15,000 vehicles per day (2006 count), of which roughly 2% are trucks.
How long is 21st St. North over Trib to Four Mile Creek?
The structure is 46 ft (14 m) long with a longest span of 8 ft (2.4 m).
Who owns 21st St. North over Trib to Four Mile Creek?
It is owned by the City or Municipal Highway Agency.