NE Irwin Rd. over Irvins Br
GoodDeKalb County, Missouri · S 15 T 59 N R 30 W · Structure no. 31643
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 76 ft
- 1 main span
- Daily traffic
- 25
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
NE Irwin Rd. over Irvins Br is a prestressed concrete stringer/multi-beam or girder carrying NE Irwin Rd. over Irvins Br in DeKalb County, Missouri. It was built in 2006, so it is 19 years old, younger than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 29 by 2044. The structure is 76 ft (23.2 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NE Irwin Rd. over Irvins Br built?
It was built in 2006, making it 19 years old in 2025.
What condition is NE Irwin Rd. over Irvins Br 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 December 2024.
How much traffic does NE Irwin Rd. over Irvins Br carry?
About 25 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is NE Irwin Rd. over Irvins Br?
The structure is 76 ft (23.2 m) long with a longest span of 73 ft (22.3 m) and a deck 27 ft wide.
Who owns NE Irwin Rd. over Irvins Br?
It is owned by the County Highway Agency.