US Bridges

Nfa A021 over Earthman Fork Creek

Fair

Davidson County, Tennessee · Bear Hollow RD @ US431. · Structure no. 190C5580001

Built
1950
75 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
330
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A021 over Earthman Fork Creek is a concrete continuous culvert carrying Nfa A021 over Earthman Fork Creek in Davidson County, Tennessee. It was built in 1950, so it is 75 years old, older 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 330 vehicles a day, roughly 2% of them trucks, projected to reach 528 by 2041. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A021
CrossesEarthman Fork Creek
LocationBear Hollow RD @ US431.
RouteCity Street 21
CountyDavidson County
StateTennessee
Coordinates36.30027, -86.85719
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: 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 rating28.9 US tons
Inventory rating16.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2020)
Projected traffic528 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$202,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A021 over Earthman Fork Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa A021 over Earthman Fork 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 July 2023.

How much traffic does Nfa A021 over Earthman Fork Creek carry?

About 330 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A021 over Earthman Fork Creek?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Nfa A021 over Earthman Fork Creek?

It is owned by the City or Municipal Highway Agency.