Structure 39B00001N · Gallatin County, KY

Us-42 over Stermans Branch

Carries Us-42 over Stermans Branch, 2.4 Mi West Of Jct US 127.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

How ratings work
Culvertsets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
24 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 24 ft across with 2 openings. 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.

Built1929rebuilt 1943
Length24.0 ft7.3 m
Daily traffic3,220counted 2022
Last inspectedJune 2021every 48 months

Location

StateKentucky
CountyGallatin
Location2.4 Mi West Of Jct US 127
CarriesUs-42
CrossesStermans Branch
Coordinates38.78417, -84.85194

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length24.0 ft (7.3 m)
Max Span10.5 ft (3.2 m)
Deck Area40.1 sq m
Main Spans2
Year Built1929 (reconstructed 1943)

Traffic

Avg Daily Traffic3,220 (2022)
Truck Traffic13%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number039B00001N

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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