Structure 61650000515192 · Midland County, TX

Lamesa RD over IH 20

Carries Lamesa RD over IH 20, 1.00 Mi E Of SH 349.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT322 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

322 ft end to end, longest span 65 ft: about 4 semi-trucks nose to tail. Lengths and the semi-truck 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 or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built196561 years old
Length321.9 ft98.1 m
Daily traffic8,676counted 2022
Last inspectedAugust 2023every 48 months

Location

StateTexas
CountyMidland
Location1.00 Mi E Of SH 349
CarriesLamesa RD
CrossesIH 20
Coordinates31.97621, -102.05741

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length321.9 ft (98.1 m)
Max Span65.0 ft (19.8 m)
Deck Width27.2 ft (8.3 m)
Deck Area814.2 sq m
Main Spans4
Year Built1965

Traffic

Avg Daily Traffic8,676 (2022)
Truck Traffic4%
Lanes On Bridge2
Lanes Under Bridge8

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number061650000515192

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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