US Bridges

Nfa A030 over Branch

Good

Wilson County, Tennessee · 0.3 MI E of Davidson Co. · Structure no. 950A0300001

Built
2019
6 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
150
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A030 over Branch is a prestressed concrete box beam or girders - single or spread carrying Nfa A030 over Branch in Wilson County, Tennessee. It was built in 2019, so it is 6 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 2% of them trucks, projected to reach 240 by 2040. The structure is 40 ft (12.2 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A030
CrossesBranch
Location0.3 MI E of Davidson Co.
RouteCounty Highway 0A030
Coordinates36.24249, -86.58832
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2020)
Projected traffic240 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 A030 over Branch built?

It was built in 2019, making it 6 years old in 2025.

What condition is Nfa A030 over Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Nfa A030 over Branch carry?

About 150 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A030 over Branch?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns Nfa A030 over Branch?

It is owned by the County Highway Agency.