Structure 91470AA0520004 · Limestone County, TX

CR 412 over Navasota River Tributary

Carries CR 412 over Navasota River Tributary, 0.80 Mi NE Of SH 14.

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
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT31 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 6/9

31 ft end to end, longest span 15 ft. 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 multi-beam bridge.

Built195571 years old
Length31.2 ft9.5 m
Daily traffic79counted 2020
Last inspectedFebruary 2024every 24 months

Location

StateTexas
CountyLimestone
Location0.80 Mi NE Of SH 14
CarriesCR 412
CrossesNavasota River Tributary
Coordinates31.54694, -96.51553

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length31.2 ft (9.5 m)
Max Span15.1 ft (4.6 m)
Deck Width16.1 ft (4.9 m)
Deck Area46.5 sq m
Main Spans2
Year Built1955

Traffic

Avg Daily Traffic79 (2020)
Lanes On Bridge1

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical5 — Stable for scour
Structure Number091470AA0520004

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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