C-D a (I-15 Nb) over 8000 S
GoodSalt Lake County, Utah · I-15 NB over 8000 S · Structure no. 1F 920
- Built
- 2021
- 4 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 120 ft
- 3 main spans
- Daily traffic
- 54,400
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
C-D a (I-15 Nb) over 8000 S is a prestressed concrete stringer/multi-beam or girder carrying C-D a (I-15 Nb) over 8000 S in Salt Lake County, Utah. It was built in 2021, so it is 4 years old, younger than the Utah average of 40.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 54,400 vehicles a day, roughly 22% of them trucks, projected to reach 58,800 by 2040. The structure is 120 ft (36.7 m) long and 63 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was C-D a (I-15 Nb) over 8000 S built?
It was built in 2021, making it 4 years old in 2025.
What condition is C-D a (I-15 Nb) over 8000 S 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 October 2024.
How much traffic does C-D a (I-15 Nb) over 8000 S carry?
About 54,400 vehicles per day (2020 count), of which roughly 22% are trucks.
How long is C-D a (I-15 Nb) over 8000 S?
The structure is 120 ft (36.7 m) long with a longest span of 69 ft (21 m) and a deck 63 ft wide.
Who owns C-D a (I-15 Nb) over 8000 S?
It is owned by the State Highway Agency.