Structure 21270050405499 · Johnson County, TX

Chisholm Tr (ntta) over CR 1016/shaftstall

Carries Chisholm Tr (ntta) over CR 1016/shaftstall, 4.3 Mi S Of FM 1187.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT270 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

270 ft end to end: about 4 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.

Built201412 years old
Length270.0 ft82.3 m
Daily traffic25,000counted 2013
Last inspectedJune 2022every 48 months

Location

StateTexas
CountyJohnson
Location4.3 Mi S Of FM 1187
CarriesChisholm Tr (ntta)
CrossesCR 1016/shaftstall
Coordinates32.50417, -97.42411

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length270.0 ft (82.3 m)
Max Span120.1 ft (36.6 m)
Deck Width58.1 ft (17.7 m)
Deck Area1456.7 sq m
Main Spans1
Year Built2014

Traffic

Avg Daily Traffic25,000 (2013)
Truck Traffic1%
Lanes On Bridge3
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJune 2022
Inspection FrequencyEvery 48 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number021270050405499

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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