NB US 218 over Old Man Creek Overflow
FairJohnson County, Iowa · 0.6 Mi. N of Observ. Ave · Structure no. 000000000604985
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected July 2023
- Type
- Slab
- Concrete Continuous
- Length
- 103 ft
- 3 main spans
- Daily traffic
- 10,250
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
NB US 218 over Old Man Creek Overflow is a concrete continuous slab carrying NB US 218 over Old Man Creek Overflow in Johnson County, Iowa. It was built in 1983, so it is 42 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 10,250 vehicles a day, roughly 16% of them trucks, projected to reach 10,250 by 2043. The structure is 103 ft (31.4 m) long and 43 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 NB US 218 over Old Man Creek Overflow built?
It was built in 1983, making it 42 years old in 2025.
What condition is NB US 218 over Old Man Creek Overflow 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 July 2023.
How much traffic does NB US 218 over Old Man Creek Overflow carry?
About 10,250 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is NB US 218 over Old Man Creek Overflow?
The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 43 ft wide.
Who owns NB US 218 over Old Man Creek Overflow?
It is owned by the State Highway Agency.