Structure 171660021001009 · Milam County, TX

US 77 over Sandy Creek

Carries US 77 over Sandy Creek, 1.70 Mi W Of SH 36.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT207 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 6/9

207 ft end to end, longest span 34 ft: about 3 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 tee-beam bridge.

Built1936rebuilt 1970
Length207.0 ft63.1 m
Daily traffic4,045counted 2023
Last inspectedSeptember 2024every 24 months

Location

StateTexas
CountyMilam
Location1.70 Mi W Of SH 36
CarriesUS 77
CrossesSandy Creek
Coordinates30.80256, -96.95689

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length207.0 ft (63.1 m)
Max Span34.1 ft (10.4 m)
Deck Width50.5 ft (15.4 m)
Deck Area971.7 sq m
Main Spans6
Year Built1936 (reconstructed 1970)

Traffic

Avg Daily Traffic4,045 (2023)
Truck Traffic22%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number171660021001009

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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