Structure 181990000912387 · Rockwall County, TX

IH 30 over FM 740

Carries IH 30 over FM 740, 1.47 Mi W Of SH 205.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT347 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

347 ft end to end, longest span 127 ft: about 5 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.

Built199531 years old
Length346.8 ft105.7 m
Daily traffic82,077counted 2020
Last inspectedMarch 2023every 48 months

Location

StateTexas
CountyRockwall
Location1.47 Mi W Of SH 205
CarriesIH 30
CrossesFM 740
Coordinates32.89719, -96.46986

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length346.8 ft (105.7 m)
Max Span127.0 ft (38.7 m)
Deck Width122.0 ft (37.2 m)
Deck Area3932.0 sq m
Main Spans3
Year Built1995

Traffic

Avg Daily Traffic82,077 (2020)
Truck Traffic17%
Lanes On Bridge6
Lanes Under Bridge8

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number181990000912387

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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