X 99 over Dolbee Creek
GoodDes Moines County, Iowa · 072022406 · Structure no. 000000000023590
- Built
- 1938
- 87 years old, rebuilt 2016
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 50 ft
- 1 main span
- Daily traffic
- 900
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
X 99 over Dolbee Creek is a steel stringer/multi-beam or girder carrying X 99 over Dolbee Creek in Des Moines County, Iowa. It was built in 1938 and reconstructed in 2016, so it is 87 years old, older than the Iowa average of 45.5 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 900 vehicles a day, roughly 26% of them trucks, projected to reach 900 by 2044. The structure is 50 ft (15.2 m) long and 31 ft wide. If it were closed, the detour would be 34.8 mi (56 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was X 99 over Dolbee Creek built?
It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2016.
What condition is X 99 over Dolbee 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 2024.
How much traffic does X 99 over Dolbee Creek carry?
About 900 vehicles per day (2022 count), of which roughly 26% are trucks.
How long is X 99 over Dolbee Creek?
The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 31 ft wide.
Who owns X 99 over Dolbee Creek?
It is owned by the County Highway Agency.