US Bridges

Nfa A423 over Nash Creek

FairPosted for load

Dyer County, Tennessee · 0.5 MI E of SR20 · Structure no. 230A4230003

Built
1998
27 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Concrete
Length
51 ft
3 main spans
Daily traffic
70
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A423 over Nash Creek is a concrete channel beam carrying Nfa A423 over Nash Creek in Dyer County, Tennessee. It was built in 1998, so it is 27 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. Its operating status is: posted for load restriction.

It carries about 70 vehicles a day, roughly 4% of them trucks, projected to reach 112 by 2042. The structure is 51 ft (15.6 m) long and 22 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesNfa A423
CrossesNash Creek
Location0.5 MI E of SR20
RouteCounty Highway 423
CountyDyer County
StateTennessee
Coordinates35.93256, -89.28255
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating31.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length51 ft (15.6 m)
Longest span18 ft (5.6 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2020)
Projected traffic112 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 A423 over Nash Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Nfa A423 over Nash 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 October 2023.

How much traffic does Nfa A423 over Nash Creek carry?

About 70 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A423 over Nash Creek?

The structure is 51 ft (15.6 m) long with a longest span of 18 ft (5.6 m) and a deck 22 ft wide.

Who owns Nfa A423 over Nash Creek?

It is owned by the County Highway Agency.