Hess RD over Trib to Miller Creek
PoorBlack Hawk County, Iowa · 87-13-12-02-20 · Structure no. 000000000074260
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 20 ft
- 2 main spans
- Daily traffic
- 29
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Hess RD over Trib to Miller Creek is a steel continuous stringer/multi-beam or girder carrying Hess RD over Trib to Miller Creek in Black Hawk County, Iowa. It was built in 1960, so it is 65 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.
It carries about 29 vehicles a day, projected to reach 29 by 2043. The structure is 20 ft (6.1 m) long and 27 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Hess RD over Trib to Miller Creek built?
It was built in 1960, making it 65 years old in 2025.
What condition is Hess RD over Trib to Miller Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.
How much traffic does Hess RD over Trib to Miller Creek carry?
About 29 vehicles per day (2022 count).
How long is Hess RD over Trib to Miller Creek?
The structure is 20 ft (6.1 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.
Who owns Hess RD over Trib to Miller Creek?
It is owned by the County Highway Agency.