Structure 51520006707049 · Lubbock County, TX

IH 27 Ml & NB Fr over Drainage Ditch

Carries IH 27 Ml & NB Fr over Drainage Ditch, 0.1 Mi S Of N Loop 289.

Overall conditionGood

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

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
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 with 3 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.

Built1966rebuilt 1988
Length24.0 ft7.3 m
Daily traffic24,065counted 2020
Last inspectedOctober 2023every 24 months

Location

StateTexas
CountyLubbock
Location0.1 Mi S Of N Loop 289
CarriesIH 27 Ml & NB Fr
CrossesDrainage Ditch
Coordinates33.61614, -101.84362

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length24.0 ft (7.3 m)
Max Span4.9 ft (1.5 m)
Deck Area398.6 sq m
Main Spans3
Year Built1966 (reconstructed 1988)

Traffic

Avg Daily Traffic24,065 (2020)
Truck Traffic17%
Lanes On Bridge10

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number051520006707049

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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