US Bridges

Nfa A788 over Harts Branch

Good

Rutherford County, Tennessee · Highland Ave near Springs · Structure no. 750A7880001

Built
1975
50 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
770
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A788 over Harts Branch is a concrete continuous culvert carrying Nfa A788 over Harts Branch in Rutherford County, Tennessee. It was built in 1975, so it is 50 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 770 vehicles a day, roughly 2% of them trucks, projected to reach 1,232 by 2042. The structure is 45 ft (13.7 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa A788
CrossesHarts Branch
LocationHighland Ave near Springs
RouteCity Street 788
Coordinates35.98508, -86.52643
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating87.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span14 ft (4.3 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic770 (2020)
Projected traffic1,232 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 A788 over Harts Branch built?

It was built in 1975, making it 50 years old in 2025.

What condition is Nfa A788 over Harts 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 A788 over Harts Branch carry?

About 770 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A788 over Harts Branch?

The structure is 45 ft (13.7 m) long with a longest span of 14 ft (4.3 m) and a deck 32 ft wide.

Who owns Nfa A788 over Harts Branch?

It is owned by the City or Municipal Highway Agency.