CO HWY 17 over LA Harpe Creek
PoorPosted for loadHancock County, Illinois · 3 MI N of Ftn. Green · Structure no. 034317000000000
- Built
- 1949
- 76 years old
- Condition
- Poor
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 154 ft
- 3 main spans
- Daily traffic
- 225
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
CO HWY 17 over LA Harpe Creek is a steel continuous stringer/multi-beam or girder carrying CO HWY 17 over LA Harpe Creek in Hancock County, Illinois. It was built in 1949, so it is 76 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 3 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. Its operating status is: posted for load restriction.
It carries about 225 vehicles a day, roughly 16% of them trucks, projected to reach 253 by 2046. The structure is 154 ft (46.9 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 CO HWY 17 over LA Harpe Creek built?
It was built in 1949, making it 76 years old in 2025.
What condition is CO HWY 17 over LA Harpe 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 March 2023.
How much traffic does CO HWY 17 over LA Harpe Creek carry?
About 225 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is CO HWY 17 over LA Harpe Creek?
The structure is 154 ft (46.9 m) long with a longest span of 59 ft (18 m) and a deck 26 ft wide.
Who owns CO HWY 17 over LA Harpe Creek?
It is owned by the County Highway Agency.