Structure 120850005103047 · Galveston County, TX

SH 3 over Clear Creek Relief

Carries SH 3 over Clear Creek Relief, 0.85 Mi NW Of FM 518.

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
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT275 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

275 ft end to end, longest span 55 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 box-beam bridge.

Built1988rebuilt 1993
Length274.9 ft83.8 m
Daily traffic19,772counted 2020
Last inspectedSeptember 2024every 24 months

Location

StateTexas
CountyGalveston
Location0.85 Mi NW Of FM 518
CarriesSH 3
CrossesClear Creek Relief
Coordinates29.51849, -95.10130

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length274.9 ft (83.8 m)
Max Span55.1 ft (16.8 m)
Deck Width110.9 ft (33.8 m)
Deck Area2832.4 sq m
Main Spans5
Year Built1988 (reconstructed 1993)

Traffic

Avg Daily Traffic19,772 (2020)
Truck Traffic5%
Lanes On Bridge5

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number120850005103047

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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