Miller Creek RD over Trib to Miller Creek
FairBlack Hawk County, Iowa · 87-12-04-01-10 · Structure no. 000000000073931
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected November 2023
- Type
- Slab
- Concrete Continuous
- Length
- 75 ft
- 3 main spans
- Daily traffic
- 49
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Miller Creek RD over Trib to Miller Creek is a concrete continuous slab carrying Miller Creek RD over Trib to Miller Creek in Black Hawk County, Iowa. It was built in 1986, so it is 39 years old, younger 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 6 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 49 vehicles a day, projected to reach 49 by 2043. The structure is 75 ft (22.9 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Miller Creek RD over Trib to Miller Creek built?
It was built in 1986, making it 39 years old in 2025.
What condition is Miller Creek RD over Trib to Miller Creek 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 November 2023.
How much traffic does Miller Creek RD over Trib to Miller Creek carry?
About 49 vehicles per day (2022 count).
How long is Miller Creek RD over Trib to Miller Creek?
The structure is 75 ft (22.9 m) long with a longest span of 29 ft (8.8 m) and a deck 25 ft wide.
Who owns Miller Creek RD over Trib to Miller Creek?
It is owned by the County Highway Agency.