US 14 over Il 31
GoodMcHenry County, Illinois · US 14 & Ill 31 Inchg · Structure no. 056006500000000
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 180 ft
- 2 main spans
- Daily traffic
- 24,700
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 14 over Il 31 is a steel continuous stringer/multi-beam or girder carrying US 14 over Il 31 in McHenry County, Illinois. It was built in 1999, so it is 26 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 24,700 vehicles a day, roughly 3% of them trucks, projected to reach 31,200 by 2046. The structure is 180 ft (54.8 m) long and 84 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 US 14 over Il 31 built?
It was built in 1999, making it 26 years old in 2025.
What condition is US 14 over Il 31 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 June 2023.
How much traffic does US 14 over Il 31 carry?
About 24,700 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is US 14 over Il 31?
The structure is 180 ft (54.8 m) long with a longest span of 50 ft (15.2 m) and a deck 84 ft wide.
Who owns US 14 over Il 31?
It is owned by the State Highway Agency.