Structure 230470025705028 · Comanche County, TX

SH 6 over Leon River

Carries SH 6 over Leon River, 4.20 Mi W Of Erath C/l.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT642 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

642 ft end to end, longest span 50 ft: about 1.8 football fields. 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.

Built1950rebuilt 1990
Length642.1 ft195.7 m
Daily traffic3,751counted 2023
Last inspectedAugust 2023every 24 months

Location

StateTexas
CountyComanche
Location4.20 Mi W Of Erath C/l
CarriesSH 6
CrossesLeon River
Coordinates32.10872, -98.49736

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length642.1 ft (195.7 m)
Max Span49.9 ft (15.2 m)
Deck Width45.9 ft (14 m)
Deck Area2739.8 sq m
Main Spans12
Year Built1950 (reconstructed 1990)

Traffic

Avg Daily Traffic3,751 (2023)
Truck Traffic33%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number230470025705028

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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