Sp 421 over Martinez Creek

Good Condition79 years old31,404 vehicles/day

Location

StateTexas
CountyBexar
Location0.1 Mi W Of IH 10
CarriesSp 421
CrossesMartinez Creek
Coordinates29.44418, -98.51583

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length137.1 ft (41.8 m)
Max Span40.0 ft (12.2 m)
Deck Width75.1 ft (22.9 m)
Deck Area957.2 sq m
Main Spans3
Year Built1947 (reconstructed 1992)

Traffic

Avg Daily Traffic31,404 (2019)
Truck Traffic12%
Lanes On Bridge5

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number150150029111071

Nearby Bridges

Sp 421-culebra over IH 10 Lower Level 0.1 mi Fair IH 10 WB On Ramp over R.o.w. N Of Culebra 0.1 mi Good IH 10 EB Elev Ml over W Magnolia To N Frio ST 0.1 mi Fair IH 10 EB On Ramp over R.o.w. S Of Culebra 0.1 mi Good IH 10 EB over W Poplar ST 0.1 mi Fair IH 10 WB over W Poplar ST 0.1 mi Fair IH 10 WB Upper Lev over Fredericksburg - Poplar 0.1 mi Fair IH 10 WB Off Ramp over R.o.w. S Of Culebra 0.1 mi Good N Sabinas ST over Martinez Creek 0.2 mi Fair W Poplar ST over Martinez Creek 0.3 mi Fair