Ch 15 FAS 491 over Sangamon River
GoodMcLean County, Illinois · 2 MI S of Arrowsmith · Structure no. 057321300000000
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected July 2023
- Type
- Slab
- Concrete Continuous
- Length
- 64 ft
- 3 main spans
- Daily traffic
- 150
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Ch 15 FAS 491 over Sangamon River is a concrete continuous slab carrying Ch 15 FAS 491 over Sangamon River in McLean County, Illinois. It was built in 2012, so it is 13 years old, younger 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 150 vehicles a day, roughly 23% of them trucks, projected to reach 278 by 2046. The structure is 64 ft (19.4 m) long and 32 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ch 15 FAS 491 over Sangamon River built?
It was built in 2012, making it 13 years old in 2025.
What condition is Ch 15 FAS 491 over Sangamon River 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 July 2023.
How much traffic does Ch 15 FAS 491 over Sangamon River carry?
About 150 vehicles per day (2024 count), of which roughly 23% are trucks.
How long is Ch 15 FAS 491 over Sangamon River?
The structure is 64 ft (19.4 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.
Who owns Ch 15 FAS 491 over Sangamon River?
It is owned by the County Highway Agency.