I 20 over Big Black River
PoorWarren County, Mississippi · Hinds/Warren Cl · Structure no. 11000200750177A
- Built
- 1992
- 33 years old
- Condition
- Poor
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 642 ft
- 3 main spans
- Daily traffic
- 18,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 20 over Big Black River is a steel continuous stringer/multi-beam or girder carrying I 20 over Big Black River in Warren County, Mississippi. It was built in 1992, so it is 33 years old, younger than the Mississippi average of 38.9 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 18,500 vehicles a day, roughly 36% of them trucks, projected to reach 22,000 by 2043. The structure is 642 ft (195.7 m) long and 45 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 I 20 over Big Black River built?
It was built in 1992, making it 33 years old in 2025.
What condition is I 20 over Big Black River 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 I 20 over Big Black River carry?
About 18,500 vehicles per day (2023 count), of which roughly 36% are trucks.
How long is I 20 over Big Black River?
The structure is 642 ft (195.7 m) long with a longest span of 160 ft (48.8 m) and a deck 45 ft wide.
Who owns I 20 over Big Black River?
It is owned by the State Highway Agency.