NW 90 RD 8.0-I.7 over Middle Branch Bluff Ck.
PoorPosted for loadHarper County, Kansas · 8.3W of Harper · Structure no. 000390725706740
- Built
- 1967
- 58 years old
- Condition
- Poor
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 122 ft
- 7 main spans
- Daily traffic
- 10
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
NW 90 RD 8.0-I.7 over Middle Branch Bluff Ck. is a wood or timber stringer/multi-beam or girder carrying NW 90 RD 8.0-I.7 over Middle Branch Bluff Ck. in Harper County, Kansas. It was built in 1967, so it is 58 years old, older than the Kansas average of 52.8 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. Its operating status is: posted for load restriction.
It carries about 10 vehicles a day, projected to reach 10 by 2043. The structure is 122 ft (37.1 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 NW 90 RD 8.0-I.7 over Middle Branch Bluff Ck. built?
It was built in 1967, making it 58 years old in 2025.
What condition is NW 90 RD 8.0-I.7 over Middle Branch Bluff Ck. 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 February 2023.
How much traffic does NW 90 RD 8.0-I.7 over Middle Branch Bluff Ck. carry?
About 10 vehicles per day (2021 count).
How long is NW 90 RD 8.0-I.7 over Middle Branch Bluff Ck.?
The structure is 122 ft (37.1 m) long with a longest span of 17 ft (5.1 m) and a deck 20 ft wide.
Who owns NW 90 RD 8.0-I.7 over Middle Branch Bluff Ck.?
It is owned by the County Highway Agency.