IH45 SB Mckiney Ex over Buffalo Byu/Ih 45 NB
PoorHarris County, Texas · 0.10 MI W of Allen Pkwy · Structure no. 121020050003210
- Built
- 1962
- 63 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 733 ft
- 2 main spans
- Daily traffic
- 6,871
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
IH45 SB Mckiney Ex over Buffalo Byu/Ih 45 NB is a steel stringer/multi-beam or girder carrying IH45 SB Mckiney Ex over Buffalo Byu/Ih 45 NB in Harris County, Texas. It was built in 1962, so it is 63 years old, older than the Texas average of 44.4 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 6,871 vehicles a day, roughly 7% of them trucks, projected to reach 30,220 by 2033. The structure is 733 ft (223.4 m) long and 33 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 IH45 SB Mckiney Ex over Buffalo Byu/Ih 45 NB built?
It was built in 1962, making it 63 years old in 2025.
What condition is IH45 SB Mckiney Ex over Buffalo Byu/Ih 45 NB 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 October 2024.
How much traffic does IH45 SB Mckiney Ex over Buffalo Byu/Ih 45 NB carry?
About 6,871 vehicles per day (2024 count), of which roughly 7% are trucks.
How long is IH45 SB Mckiney Ex over Buffalo Byu/Ih 45 NB?
The structure is 733 ft (223.4 m) long with a longest span of 86 ft (26.2 m) and a deck 33 ft wide.
Who owns IH45 SB Mckiney Ex over Buffalo Byu/Ih 45 NB?
It is owned by the State Highway Agency.