Big Rock RD over Creek
PoorPosted for loadScott County, Iowa · 080E10304 · Structure no. 000000000303010
- Built
- 1923
- 102 years old, rebuilt 1970
- Condition
- Poor
- inspected April 2024
- Type
- Slab
- Concrete
- Length
- 33 ft
- 1 main span
- Daily traffic
- 1,060
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Big Rock RD over Creek is a concrete slab carrying Big Rock RD over Creek in Scott County, Iowa. It was built in 1923 and reconstructed in 1970, so it is 102 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 3 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 1,060 vehicles a day, roughly 13% of them trucks, projected to reach 1,060 by 2044. The structure is 33 ft (10.1 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 Big Rock RD over Creek built?
It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1970.
What condition is Big Rock RD over 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 April 2024.
How much traffic does Big Rock RD over Creek carry?
About 1,060 vehicles per day (2021 count), of which roughly 13% are trucks.
How long is Big Rock RD over Creek?
The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.
Who owns Big Rock RD over Creek?
It is owned by the County Highway Agency.