Nfa 1921 (sa 9420) over South Harpeth River

Good Condition41 years old703 vehicles/day

Location

StateTennessee
CountyWilliamson
Location2.9 Mi E Jct Sr96&sr100
CarriesNfa 1921 (sa 9420)
CrossesSouth Harpeth River
Coordinates35.97497, -87.06178

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Single/Spread
Total Length157.2 ft (47.9 m)
Max Span51.8 ft (15.8 m)
Deck Width29.9 ft (9.1 m)
Deck Area435.9 sq m
Main Spans3
Year Built1985

Traffic

Avg Daily Traffic703 (2021)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number94019210001

Nearby Bridges

Nfa A565 over Bedford Creek 0.5 mi Good Nfa 1921 over Branch 0.9 mi Good Nfa C447 over Hunting Camp Creek 1.2 mi Good Nfa 1921 (sa 9420) over South Harpeth River 1.4 mi Good Nfa 1001 (sa 9418) over South Harpeth River 1.7 mi Fair Nfa 1001 (sa 9418) over Allen Branch 1.7 mi Good Nfa 1919 (sa 9421) over East Fork Creek 2.5 mi Fair Nfa 1921 (sa 1901) over East Fork Creek 2.6 mi Good Nfa 1001 (sa 9418) over Hunting Camp Creek 2.7 mi Fair Nfa 1919 (sa 9421) over East Fork Creek 2.8 mi Fair