I55 NB to I20WB over I20 WB to I55SB and US51
FairHinds County, Mississippi · 0.4 MI N Mcdowell RD · Structure no. 170005502509120
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected June 2024
- Type
- Box Beam or Girders - Single or Spread
- Concrete Continuous
- Length
- 432 ft
- 4 main spans
- Daily traffic
- 8,900
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I55 NB to I20WB over I20 WB to I55SB and US51 is a concrete continuous box beam or girders - single or spread carrying I55 NB to I20WB over I20 WB to I55SB and US51 in Hinds County, Mississippi. It was built in 1966, so it is 59 years old, older than the Mississippi average of 38.9 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 8,900 vehicles a day, roughly 18% of them trucks, projected to reach 9,800 by 2043. The structure is 432 ft (131.7 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I55 NB to I20WB over I20 WB to I55SB and US51 built?
It was built in 1966, making it 59 years old in 2025.
What condition is I55 NB to I20WB over I20 WB to I55SB and US51 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 2024.
How much traffic does I55 NB to I20WB over I20 WB to I55SB and US51 carry?
About 8,900 vehicles per day (2023 count), of which roughly 18% are trucks.
How long is I55 NB to I20WB over I20 WB to I55SB and US51?
The structure is 432 ft (131.7 m) long with a longest span of 100 ft (30.5 m) and a deck 33 ft wide.
Who owns I55 NB to I20WB over I20 WB to I55SB and US51?
It is owned by the State Highway Agency.