US Bridges

Nfa A420 over Suggs Creek

Fair

Wilson County, Tennessee · 2.5 MI South of SR265 · Structure no. 950A4200001

Built
1995
30 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
39 ft
2 main spans
Daily traffic
890
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A420 over Suggs Creek is a concrete continuous culvert carrying Nfa A420 over Suggs Creek in Wilson County, Tennessee. It was built in 1995, so it is 30 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 890 vehicles a day, roughly 2% of them trucks, projected to reach 1,424 by 2038. The structure is 39 ft (11.9 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa A420
CrossesSuggs Creek
Location2.5 MI South of SR265
RouteCounty Highway 0A420
Coordinates36.11035, -86.48012
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span18 ft (5.5 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic890 (2020)
Projected traffic1,424 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A420 over Suggs Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Nfa A420 over Suggs 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 June 2024.

How much traffic does Nfa A420 over Suggs Creek carry?

About 890 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A420 over Suggs Creek?

The structure is 39 ft (11.9 m) long with a longest span of 18 ft (5.5 m) and a deck 33 ft wide.

Who owns Nfa A420 over Suggs Creek?

It is owned by the County Highway Agency.