US Bridges

I-15 Nb.Col-Di.Rp. over I-80 Ebl.& Eb.Col-Di

Good

Salt Lake County, Utah · I15 I80 SR201 INT.@2400 S · Structure no. 1F 629

Built
2000
25 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
564 ft
5 main spans
Daily traffic
236,900
2014 count
Owner
State
State Highway Agency

About this bridge

I-15 Nb.Col-Di.Rp. over I-80 Ebl.& Eb.Col-Di is a prestressed concrete continuous stringer/multi-beam or girder carrying I-15 Nb.Col-Di.Rp. over I-80 Ebl.& Eb.Col-Di in Salt Lake County, Utah. It was built in 2000, so it is 25 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 236,900 vehicles a day, roughly 19% of them trucks, projected to reach 296,125 by 2034. The structure is 564 ft (171.9 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesI-15 Nb.Col-Di.Rp.
CrossesI-80 Ebl.& Eb.Col-Di
LocationI15 I80 SR201 INT.@2400 S
RouteInterstate 15
CountySalt Lake County
StateUtah
Coordinates40.71744, -111.90412
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans5
Design loadHS 25 or greater
Structure length564 ft (171.9 m)
Longest span118 ft (36.1 m)
Deck width44 ft (13.4 m)
Roadway width39 ft (12 m)
Vertical clearance over deck23 ft (7 m)

Traffic and service

Average daily traffic236,900 (2014)
Projected traffic296,125 by 2034
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-15 Nb.Col-Di.Rp. over I-80 Ebl.& Eb.Col-Di built?

It was built in 2000, making it 25 years old in 2025.

What condition is I-15 Nb.Col-Di.Rp. over I-80 Ebl.& Eb.Col-Di 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 July 2024.

How much traffic does I-15 Nb.Col-Di.Rp. over I-80 Ebl.& Eb.Col-Di carry?

About 236,900 vehicles per day (2014 count), of which roughly 19% are trucks.

How long is I-15 Nb.Col-Di.Rp. over I-80 Ebl.& Eb.Col-Di?

The structure is 564 ft (171.9 m) long with a longest span of 118 ft (36.1 m) and a deck 44 ft wide.

Who owns I-15 Nb.Col-Di.Rp. over I-80 Ebl.& Eb.Col-Di?

It is owned by the State Highway Agency.