Nasa RD 1 over Hcfcd Ditch A-109

Good Condition18 years old34,130 vehicles/day

Location

StateTexas
CountyHarris
Location0.45 Mi SW Of SH 3
CarriesNasa RD 1
CrossesHcfcd Ditch A-109
Coordinates29.52597, -95.11742

Condition Ratings

Overall ConditionGood
Channel/Waterway7 (Good)
Culvert7 (Good)
Scour Critical6 — Scour calculated, stable

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length28.9 ft (8.8 m)
Max Span7.9 ft (2.4 m)
Deck Area235.8 sq m
Main Spans3
Year Built2008

Traffic

Avg Daily Traffic34,130 (2024)
Truck Traffic3%
Lanes On Bridge5

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number121020098101033

Nearby Bridges

Nasa RD 1 over Kobayashi RD 0.2 mi Good Nasa RD 1 over SH 3 & Uprr 0.4 mi Good Nasa1 WB / Ih45 NB over IH 45 Nbfr 0.5 mi Good IH 45 NB over Nasa RD 1 (nasa Bypass) 0.5 mi Good IH 45 SB over Nasa RD 1 (nasa Bypass) 0.6 mi Good Ih45 SB / Nasa1 EB over IH 45 0.6 mi Good IH 45 over FM 528 Nasa PKWY 0.8 mi Fair SH 3 NB over Clear Creek 0.9 mi Good IH 45 Ml over Clear Creek Tributary 0.9 mi Good SH 3 SB over Clear Creek 0.9 mi Fair