Structure 120850050004220 · Galveston County, TX

IH 45 SB over SH 6 Connectors

Carries IH 45 SB over SH 6 Connectors, @tex.city Inersection.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT245 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 6/9

245 ft end to end, longest span 70 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 multi-beam bridge.

Built1951rebuilt 1965
Length245.1 ft74.7 m
Daily traffic21,538counted 2018
Last inspectedSeptember 2024every 24 months

Location

StateTexas
CountyGalveston
Location@tex.city Inersection
CarriesIH 45 SB
CrossesSH 6 Connectors
Coordinates29.33059, -94.93418

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length245.1 ft (74.7 m)
Max Span69.9 ft (21.3 m)
Deck Width54.1 ft (16.5 m)
Deck Area1232.5 sq m
Main Spans3
Year Built1951 (reconstructed 1965)

Traffic

Avg Daily Traffic21,538 (2018)
Truck Traffic4%
Lanes On Bridge3
Lanes Under Bridge4

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number120850050004220

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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