Structure 41910006701002 · Randall County, TX

US 87 SB over Tierra Blanca Creek

Carries US 87 SB over Tierra Blanca Creek, 1.9 Mi S Of US 60.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT160 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

160 ft end to end, longest span 31 ft: about 2 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.

Built1930rebuilt 1957
Length160.1 ft48.8 m
Daily traffic3,909counted 2022
Last inspectedOctober 2023every 24 months

Location

StateTexas
CountyRandall
Location1.9 Mi S Of US 60
CarriesUS 87 SB
CrossesTierra Blanca Creek
Coordinates34.96077, -101.91953

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length160.1 ft (48.8 m)
Max Span30.8 ft (9.4 m)
Deck Width45.9 ft (14 m)
Deck Area683.2 sq m
Main Spans2
Year Built1930 (reconstructed 1957)

Traffic

Avg Daily Traffic3,909 (2022)
Truck Traffic35%
Lanes On Bridge2

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 Number041910006701002

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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