I-15SB (SR-15) over 300 West Street
GoodUtah County, Utah · 900 N.300 W.Spanish Fork · Structure no. 3F 831
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 97 ft
- 1 main span
- Daily traffic
- 48,010
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
I-15SB (SR-15) over 300 West Street is a prestressed concrete stringer/multi-beam or girder carrying I-15SB (SR-15) over 300 West Street in Utah County, Utah. It was built in 2012, so it is 13 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 48,010 vehicles a day, roughly 26% of them trucks, projected to reach 60,013 by 2034. The structure is 97 ft (29.5 m) long and 84 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-15SB (SR-15) over 300 West Street built?
It was built in 2012, making it 13 years old in 2025.
What condition is I-15SB (SR-15) over 300 West Street 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 September 2024.
How much traffic does I-15SB (SR-15) over 300 West Street carry?
About 48,010 vehicles per day (2014 count), of which roughly 26% are trucks.
How long is I-15SB (SR-15) over 300 West Street?
The structure is 97 ft (29.5 m) long with a longest span of 93 ft (28.3 m) and a deck 84 ft wide.
Who owns I-15SB (SR-15) over 300 West Street?
It is owned by the State Highway Agency.