Elm RD over Branch of Rock Creek
FairWhiteside County, Illinois · 5 MI NE of Morrison · Structure no. 098361400000000
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 51 ft
- 1 main span
- Daily traffic
- 50
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Elm RD over Branch of Rock Creek is a prestressed concrete box beam or girders - multiple carrying Elm RD over Branch of Rock Creek in Whiteside County, Illinois. It was built in 1986, so it is 39 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 50 vehicles a day, roughly 18% of them trucks, projected to reach 51 by 2046. The structure is 51 ft (15.5 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Elm RD over Branch of Rock Creek built?
It was built in 1986, making it 39 years old in 2025.
What condition is Elm RD over Branch of Rock Creek 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 Elm RD over Branch of Rock Creek carry?
About 50 vehicles per day (2021 count), of which roughly 18% are trucks.
How long is Elm RD over Branch of Rock Creek?
The structure is 51 ft (15.5 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.
Who owns Elm RD over Branch of Rock Creek?
It is owned by the Town or Township Highway Agency.