Hills Mill RD over Buffalo Creek
PoorPosted for loadLinn County, Iowa · 086052912 · Structure no. 000000000222870
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 194 ft
- 3 main spans
- Daily traffic
- 88
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Hills Mill RD over Buffalo Creek is a steel continuous stringer/multi-beam or girder carrying Hills Mill RD over Buffalo Creek in Linn County, Iowa. It was built in 1940, so it is 85 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: posted for load restriction.
It carries about 88 vehicles a day, projected to reach 88 by 2044. The structure is 194 ft (59.1 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Hills Mill RD over Buffalo Creek built?
It was built in 1940, making it 85 years old in 2025.
What condition is Hills Mill RD over Buffalo 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 September 2024.
How much traffic does Hills Mill RD over Buffalo Creek carry?
About 88 vehicles per day (2022 count).
How long is Hills Mill RD over Buffalo Creek?
The structure is 194 ft (59.1 m) long with a longest span of 75 ft (22.9 m) and a deck 21 ft wide.
Who owns Hills Mill RD over Buffalo Creek?
It is owned by the County Highway Agency.