Structure 21270001901045 · Johnson County, TX

SH 174 over Bnsf Rr

Carries SH 174 over Bnsf Rr, 1.0 Mi N Of US 67.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT676 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

676 ft end to end, longest span 118 ft: about 1.9 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.

Built199531 years old
Length675.9 ft206 m
Daily traffic23,955counted 2024
Last inspectedOctober 2022every 48 months

Location

StateTexas
CountyJohnson
Location1.0 Mi N Of US 67
CarriesSH 174
CrossesBnsf Rr
Coordinates32.39679, -97.38715

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length675.9 ft (206 m)
Max Span118.1 ft (36 m)
Deck Width84.0 ft (25.6 m)
Deck Area5273.6 sq m
Main Spans3
Year Built1995

Traffic

Avg Daily Traffic23,955 (2024)
Truck Traffic13%
Lanes On Bridge5

Inspection & Ownership

Last InspectionOctober 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number021270001901045

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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