W 21st Street over I-465 Nb/Sb
GoodMarion County, Indiana · 00.80 S I-74 · Structure no. 076591
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 234 ft
- 2 main spans
- Daily traffic
- 10,281
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
W 21st Street over I-465 Nb/Sb is a prestressed concrete continuous stringer/multi-beam or girder carrying W 21st Street over I-465 Nb/Sb in Marion County, Indiana. It was built in 2009, so it is 16 years old, younger than the Indiana average of 46.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 10,281 vehicles a day, roughly 2% of them trucks, projected to reach 13,000 by 2041. The structure is 234 ft (71.3 m) long and 51 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was W 21st Street over I-465 Nb/Sb built?
It was built in 2009, making it 16 years old in 2025.
What condition is W 21st Street over I-465 Nb/Sb in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.
How much traffic does W 21st Street over I-465 Nb/Sb carry?
About 10,281 vehicles per day (2021 count), of which roughly 2% are trucks.
How long is W 21st Street over I-465 Nb/Sb?
The structure is 234 ft (71.3 m) long with a longest span of 116 ft (35.3 m) and a deck 51 ft wide.
Who owns W 21st Street over I-465 Nb/Sb?
It is owned by the State Highway Agency.