Structure 1E 2733 · Utah County, UT

I-15 NB Off Ramp over I-15 NB On Ramp

Carries I-15 NB Off Ramp over I-15 NB On Ramp, Lehi Main To Sr-92.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT31 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 31 ft across. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.

Built20206 years old
Length31.2 ft9.5 m
Daily traffic20,000counted 2017
Last inspectedFebruary 2023every 24 months

Location

StateUtah
CountyUtah
LocationLehi Main To Sr-92
CarriesI-15 NB Off Ramp
CrossesI-15 NB On Ramp
Coordinates40.42694, -111.88556

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length31.2 ft (9.5 m)
Max Span31.2 ft (9.5 m)
Deck Width155.8 ft (47.5 m)
Deck Area451.2 sq m
Main Spans1
Year Built2020

Traffic

Avg Daily Traffic20,000 (2017)
Truck Traffic17%
Lanes On Bridge1
Lanes Under Bridge1

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number1E 2733

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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