Structure 131210008904193 · Jackson County, TX

US 59 NB over Navidad Riv. West Relief

Carries US 59 NB over Navidad Riv. West Relief, 3.57 Mi SW Of FM 710.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
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 FT400 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

400 ft end to end, longest span 40 ft: about 6 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.

Built197650 years old
Length399.9 ft121.9 m
Daily traffic11,648counted 2020
Last inspectedApril 2023every 24 months

Location

StateTexas
CountyJackson
Location3.57 Mi SW Of FM 710
CarriesUS 59 NB
CrossesNavidad Riv. West Relief
Coordinates29.01990, -96.56395

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length399.9 ft (121.9 m)
Max Span40.0 ft (12.2 m)
Deck Width44.3 ft (13.5 m)
Deck Area1645.7 sq m
Main Spans10
Year Built1976

Traffic

Avg Daily Traffic11,648 (2020)
Truck Traffic17%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number131210008904193

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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