Graf ROAD/TR-37 over Lawrence Creek
GoodMcHenry County, Illinois · .3MNW Oak Gr/Harvard · Structure no. 056318200000000
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected October 2021
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 99 ft
- 2 main spans
- Daily traffic
- 375
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Graf ROAD/TR-37 over Lawrence Creek is a prestressed concrete box beam or girders - multiple carrying Graf ROAD/TR-37 over Lawrence Creek in McHenry County, Illinois. It was built in 2011, so it is 14 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 375 vehicles a day, roughly 9% of them trucks, projected to reach 450 by 2046. The structure is 99 ft (30.3 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).
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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Graf ROAD/TR-37 over Lawrence Creek built?
It was built in 2011, making it 14 years old in 2025.
What condition is Graf ROAD/TR-37 over Lawrence Creek 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 2021.
How much traffic does Graf ROAD/TR-37 over Lawrence Creek carry?
About 375 vehicles per day (2021 count), of which roughly 9% are trucks.
How long is Graf ROAD/TR-37 over Lawrence Creek?
The structure is 99 ft (30.3 m) long with a longest span of 47 ft (14.4 m) and a deck 36 ft wide.
Who owns Graf ROAD/TR-37 over Lawrence Creek?
It is owned by the Town or Township Highway Agency.