Blackmud RD over Colyell Creek

Fair Condition28 years old300 vehicles/day

Location

StateLouisiana
CountyLivingston
Location2.5 M N/e Of 447 Exit
CarriesBlackmud RD
CrossesColyell Creek
Coordinates30.47397, -90.83748

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length76.1 ft (23.2 m)
Max Span19.0 ft (5.8 m)
Deck Width26.6 ft (8.1 m)
Deck Area187.9 sq m
Main Spans4
Year Built1998

Traffic

Avg Daily Traffic300 (2022)
Lanes On Bridge2

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number623230284905041

Nearby Bridges

I0012 over Middle Colyell Creek 0.1 mi Fair I0012 over Middle Colyell Creek 0.1 mi Good I0012 over Drain 0.1 mi Fair I0012 over Dumplin Creek 0.5 mi Fair I0012 over Dumplin Creek 0.5 mi Fair Gaylord RD over Dumplin Creek Bridge 1.0 mi Fair La0447 over I-12 1.5 mi Fair Us0190 over Mid Colyell Cr. 1.6 mi Fair Us0190 over Dumplin Creek 1.6 mi Good I0012 over Canal 1.8 mi Good