SH 121 SB over Dnt Frontage Roads

Good Condition17 years old55,316 vehicles/day

Location

StateTexas
CountyCollin
LocationDnt/sh 121 Interchange
CarriesSH 121 SB
CrossesDnt Frontage Roads
Coordinates33.09123, -96.82285

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length514.1 ft (156.7 m)
Max Span118.1 ft (36 m)
Deck Width68.2 ft (20.8 m)
Deck Area3259.4 sq m
Main Spans5
Year Built2009

Traffic

Avg Daily Traffic55,316 (2018)
Truck Traffic5%
Lanes On Bridge4
Lanes Under Bridge8

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerLocal Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Structure Number180430036404123

Nearby Bridges

Hdq-ndnt & Dnt NB over Srt Toll RD 0.0 mi Good Dnt SB Ml over Srt Toll RD 0.0 mi Good SH 121 NB over Dnt Frontage Roads 0.0 mi Good SH 121 S To Dnt over Exit Ramp To SH 121 Sbfr 0.0 mi Good SH 121 N To Dnt N over Dnt & SH 121 0.0 mi Good Dnt N To Srt N over Dnt Nbfr & SH 121 Nbfr 0.1 mi Good Dnt S To SH 121 S over Dnt Sbfr & SH 121 Sbfr 0.1 mi Good Dnt S To SH 121 N over Dnt & SH 121 0.1 mi Good SH 121 S To Dnt N over SH 121 Sbfr & Dnt Nbfr 0.1 mi Good Dnt N To SH 121 S over Dnt & SH 121 0.1 mi Good