US Bridges

Nfa A433 over Sulphur Creek

Fair

Dickson County, Tennessee · Old Stage RD @ Charlotte · Structure no. 220A4330001

Built
1993
32 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
130
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A433 over Sulphur Creek is a concrete continuous culvert carrying Nfa A433 over Sulphur Creek in Dickson County, Tennessee. It was built in 1993, so it is 32 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 130 vehicles a day, roughly 1% of them trucks, projected to reach 208 by 2040. The structure is 40 ft (12.2 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNfa A433
CrossesSulphur Creek
LocationOld Stage RD @ Charlotte
RouteCounty Highway 433
CountyDickson County
StateTennessee
Coordinates36.16378, -87.37238
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic208 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A433 over Sulphur Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Nfa A433 over Sulphur Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does Nfa A433 over Sulphur Creek carry?

About 130 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A433 over Sulphur Creek?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns Nfa A433 over Sulphur Creek?

It is owned by the County Highway Agency.