US Bridges

Nfa 2378 over Hall Branch

Good

Morgan County, Tennessee · 4 MI N of Oakdale · Structure no. 65023780007

Built
2022
3 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
542
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2378 over Hall Branch is a concrete culvert carrying Nfa 2378 over Hall Branch in Morgan County, Tennessee. It was built in 2022, so it is 3 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 542 vehicles a day, roughly 3% of them trucks, projected to reach 867 by 2042. The structure is 34 ft (10.4 m) long and 30 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesNfa 2378
CrossesHall Branch
Location4 MI N of Oakdale
RouteCounty Highway 2378
Coordinates36.0316, -84.5693
Functional classRural Minor Collector

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length34 ft (10.4 m)
Longest span16 ft (4.9 m)
Deck width30 ft (9.2 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic542 (2021)
Projected traffic867 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 2378 over Hall Branch built?

It was built in 2022, making it 3 years old in 2025.

What condition is Nfa 2378 over Hall 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 March 2023.

How much traffic does Nfa 2378 over Hall Branch carry?

About 542 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2378 over Hall Branch?

The structure is 34 ft (10.4 m) long with a longest span of 16 ft (4.9 m) and a deck 30 ft wide.

Who owns Nfa 2378 over Hall Branch?

It is owned by the County Highway Agency.