Structure 230470AA0360001 · Comanche County, TX

CR 310 over Indian Creek

Carries CR 310 over Indian Creek, 0.60 Mi S Of FM 3381.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT82 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

82 ft end to end. Lengths and the car 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 through truss.

Built198937 years old
Length82.0 ft25 m
Daily traffic60counted 2022
Last inspectedFebruary 2023every 24 months

Location

StateTexas
CountyComanche
Location0.60 Mi S Of FM 3381
CarriesCR 310
CrossesIndian Creek
Coordinates31.90161, -98.53495

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length82.0 ft (25 m)
Max Span60.0 ft (18.3 m)
Deck Width20.0 ft (6.1 m)
Deck Area152.5 sq m
Main Spans1
Year Built1989

Traffic

Avg Daily Traffic60 (2022)
Lanes On Bridge1

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number230470AA0360001

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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