IH 45 SB over SH 75
FairMadison County, Texas · 4.1 MI NW of SH 21 · Structure no. 171540067505081
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 265 ft
- 1 main span
- Daily traffic
- 19,097
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
IH 45 SB over SH 75 is a steel continuous stringer/multi-beam or girder carrying IH 45 SB over SH 75 in Madison County, Texas. It was built in 1964, so it is 61 years old, older than the Texas average of 44.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 19,097 vehicles a day, roughly 31% of them trucks, projected to reach 23,299 by 2041. The structure is 265 ft (80.8 m) long and 42 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IH 45 SB over SH 75 built?
It was built in 1964, making it 61 years old in 2025.
What condition is IH 45 SB over SH 75 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 June 2023.
How much traffic does IH 45 SB over SH 75 carry?
About 19,097 vehicles per day (2021 count), of which roughly 31% are trucks.
How long is IH 45 SB over SH 75?
The structure is 265 ft (80.8 m) long with a longest span of 105 ft (32 m) and a deck 42 ft wide.
Who owns IH 45 SB over SH 75?
It is owned by the State Highway Agency.