Ill Rt 78 over Hammond Br Plum Riv.
FairJo Daviess County, Illinois · 4.3 MI S of US 20 · Structure no. 043003900000000
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 111 ft
- 2 main spans
- Daily traffic
- 700
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill Rt 78 over Hammond Br Plum Riv. is a steel continuous stringer/multi-beam or girder carrying Ill Rt 78 over Hammond Br Plum Riv. in Jo Daviess County, Illinois. It was built in 1982, so it is 43 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 700 vehicles a day, roughly 14% of them trucks, projected to reach 657 by 2046. The structure is 111 ft (33.9 m) long and 35 ft wide. If it were closed, the detour would be 14.9 mi (24 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill Rt 78 over Hammond Br Plum Riv. built?
It was built in 1982, making it 43 years old in 2025.
What condition is Ill Rt 78 over Hammond Br Plum Riv. in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.
How much traffic does Ill Rt 78 over Hammond Br Plum Riv. carry?
About 700 vehicles per day (2023 count), of which roughly 14% are trucks.
How long is Ill Rt 78 over Hammond Br Plum Riv.?
The structure is 111 ft (33.9 m) long with a longest span of 61 ft (18.7 m) and a deck 35 ft wide.
Who owns Ill Rt 78 over Hammond Br Plum Riv.?
It is owned by the State Highway Agency.