IH 20 Ml & Nfr over Big Sis Creek
FairHarrison County, Texas · 1.75 MI SE of US 80 · Structure no. 191030049510111
- Built
- 1936
- 89 years old, rebuilt 1985
- Condition
- Fair
- inspected September 2023
- Type
- Culvert
- Concrete
- Length
- 65 ft
- 6 main spans
- Daily traffic
- 33,793
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
IH 20 Ml & Nfr over Big Sis Creek is a concrete culvert carrying IH 20 Ml & Nfr over Big Sis Creek in Harrison County, Texas. It was built in 1936 and reconstructed in 1985, so it is 89 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 6 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 33,793 vehicles a day, roughly 38% of them trucks, projected to reach 45,080 by 2033. The structure is 65 ft (19.8 m) long and 206 ft wide.
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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IH 20 Ml & Nfr over Big Sis Creek built?
It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1985.
What condition is IH 20 Ml & Nfr over Big Sis Creek 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 September 2023.
How much traffic does IH 20 Ml & Nfr over Big Sis Creek carry?
About 33,793 vehicles per day (2019 count), of which roughly 38% are trucks.
How long is IH 20 Ml & Nfr over Big Sis Creek?
The structure is 65 ft (19.8 m) long with a longest span of 10 ft (3 m) and a deck 206 ft wide.
Who owns IH 20 Ml & Nfr over Big Sis Creek?
It is owned by the State Highway Agency.