Structure V1605 · Box Elder County, UT

I-84 (sr-84) over Private Access Road

Carries I-84 (sr-84) over Private Access Road, 5.5 Mi.nw.bothwell Intchg.

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
24 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 24 ft across. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built198739 years old
Length24.3 ft7.4 m
Daily traffic12,669counted 2022
Last inspectedApril 2023every 24 months

Location

StateUtah
CountyBox Elder
Location5.5 Mi.nw.bothwell Intchg
CarriesI-84 (sr-84)
CrossesPrivate Access Road
Coordinates41.78722, -112.27722

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length24.3 ft (7.4 m)
Max Span24.3 ft (7.4 m)
Deck Area180.6 sq m
Main Spans1
Year Built1987

Traffic

Avg Daily Traffic12,669 (2022)
Truck Traffic47%
Lanes On Bridge4
Lanes Under Bridge1

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number0V1605

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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