Howison RD over Little Rock Creek
PoorDeKalb County, Illinois · 1210N 1200E · Structure no. 019510600000000
- Built
- 1961
- 64 years old
- Condition
- Poor
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 48 ft
- 1 main span
- Daily traffic
- 275
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Howison RD over Little Rock Creek is a prestressed concrete box beam or girders - multiple carrying Howison RD over Little Rock Creek in DeKalb County, Illinois. It was built in 1961, so it is 64 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 275 vehicles a day, roughly 5% of them trucks, projected to reach 308 by 2046. The structure is 48 ft (14.6 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Howison RD over Little Rock Creek built?
It was built in 1961, making it 64 years old in 2025.
What condition is Howison RD over Little Rock Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.
How much traffic does Howison RD over Little Rock Creek carry?
About 275 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is Howison RD over Little Rock Creek?
The structure is 48 ft (14.6 m) long with a longest span of 44 ft (13.4 m) and a deck 28 ft wide.
Who owns Howison RD over Little Rock Creek?
It is owned by the Town or Township Highway Agency.