US Bridges

Nfa B893 over Sorghum Branch

Fair

Davidson County, Tennessee · Willard DR @ridge Dr. · Structure no. 190A6620001

Built
1955
70 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
22 ft
1 main span
Daily traffic
2,190
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B893 over Sorghum Branch is a prestressed concrete box beam or girders - multiple carrying Nfa B893 over Sorghum Branch in Davidson County, Tennessee. It was built in 1955, so it is 70 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 2,190 vehicles a day, roughly 2% of them trucks, projected to reach 3,504 by 2041. The structure is 22 ft (6.7 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa B893
CrossesSorghum Branch
LocationWillard DR @ridge Dr.
RouteCity Street 893
CountyDavidson County
StateTennessee
Coordinates36.07198, -86.69908
Functional classUrban 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 inspectionAugust 2023
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 alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 15
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width36 ft (10.9 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,190 (2020)
Projected traffic3,504 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B893 over Sorghum Branch built?

It was built in 1955, making it 70 years old in 2025.

What condition is Nfa B893 over Sorghum Branch 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 August 2023.

How much traffic does Nfa B893 over Sorghum Branch carry?

About 2,190 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B893 over Sorghum Branch?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 36 ft wide.

Who owns Nfa B893 over Sorghum Branch?

It is owned by the City or Municipal Highway Agency.