Ch 29 over FAI 55
GoodMacoupin County, Illinois · 4.0MI S I-55/IL 16 · Structure no. 059003700000000
- Built
- 1973
- 52 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 280 ft
- 2 main spans
- Daily traffic
- 175
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Ch 29 over FAI 55 is a steel continuous stringer/multi-beam or girder carrying Ch 29 over FAI 55 in Macoupin County, Illinois. It was built in 1973, so it is 52 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 175 vehicles a day, roughly 35% of them trucks, projected to reach 177 by 2046. The structure is 280 ft (85.3 m) long and 30 ft wide.
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ch 29 over FAI 55 built?
It was built in 1973, making it 52 years old in 2025.
What condition is Ch 29 over FAI 55 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.
How much traffic does Ch 29 over FAI 55 carry?
About 175 vehicles per day (2021 count), of which roughly 35% are trucks.
How long is Ch 29 over FAI 55?
The structure is 280 ft (85.3 m) long with a longest span of 104 ft (31.7 m) and a deck 30 ft wide.
Who owns Ch 29 over FAI 55?
It is owned by the State Highway Agency.