Structure 172360067506204 · Walker County, TX

IH 45 SB over SH 75

Carries IH 45 SB over SH 75, 1.75 Mi NW Of SH 30.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT130 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

130 ft end to end, longest span 50 ft. 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 slab bridge.

Built195967 years old
Length129.9 ft39.6 m
Daily traffic16,365counted 2020
Last inspectedJuly 2023every 48 months

Location

StateTexas
CountyWalker
Location1.75 Mi NW Of SH 30
CarriesIH 45 SB
CrossesSH 75
Coordinates30.73669, -95.58962

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length129.9 ft (39.6 m)
Max Span49.9 ft (15.2 m)
Deck Width42.3 ft (12.9 m)
Deck Area510.8 sq m
Main Spans3
Year Built1959

Traffic

Avg Daily Traffic16,365 (2020)
Truck Traffic31%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number172360067506204

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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