WB US 20 over Mid Br Catfish Ck Cc RR
FairDubuque County, Iowa · 0.6 Mi. E of NW Arterial · Structure no. 000000000023850
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected May 2024
- Type
- Girder and Floorbeam System
- Steel Continuous
- Length
- 385 ft
- 3 main spans
- Daily traffic
- 14,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
WB US 20 over Mid Br Catfish Ck Cc RR is a steel continuous girder and floorbeam system carrying WB US 20 over Mid Br Catfish Ck Cc RR in Dubuque County, Iowa. It was built in 1961, so it is 64 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 14,300 vehicles a day, roughly 8% of them trucks, projected to reach 14,300 by 2044. The structure is 385 ft (117.3 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was WB US 20 over Mid Br Catfish Ck Cc RR built?
It was built in 1961, making it 64 years old in 2025.
What condition is WB US 20 over Mid Br Catfish Ck Cc RR in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.
How much traffic does WB US 20 over Mid Br Catfish Ck Cc RR carry?
About 14,300 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is WB US 20 over Mid Br Catfish Ck Cc RR?
The structure is 385 ft (117.3 m) long with a longest span of 159 ft (48.5 m) and a deck 36 ft wide.
Who owns WB US 20 over Mid Br Catfish Ck Cc RR?
It is owned by the State Highway Agency.