US 136 over Hamilton Slough
GoodHancock County, Illinois · .1M E Keokuk Bridge · Structure no. 034000100000000
- Built
- 1954
- 71 years old, rebuilt 1986
- Condition
- Good
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 210 ft
- 3 main spans
- Daily traffic
- 10,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 136 over Hamilton Slough is a steel continuous stringer/multi-beam or girder carrying US 136 over Hamilton Slough in Hancock County, Illinois. It was built in 1954 and reconstructed in 1986, so it is 71 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 10,500 vehicles a day, roughly 8% of them trucks, projected to reach 6,010 by 2046. The structure is 210 ft (64 m) long and 86 ft wide. If it were closed, the detour would be 42.9 mi (69 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 136 over Hamilton Slough built?
It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1986.
What condition is US 136 over Hamilton Slough 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 February 2024.
How much traffic does US 136 over Hamilton Slough carry?
About 10,500 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is US 136 over Hamilton Slough?
The structure is 210 ft (64 m) long with a longest span of 79 ft (24.1 m) and a deck 86 ft wide.
Who owns US 136 over Hamilton Slough?
It is owned by the State Highway Agency.