US Bridges

Nfa A055 over Hemby Branch

Fair

Humphreys County, Tennessee · On Hemby Br. Rd. · Structure no. 430A0550003

Built
1984
41 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
200
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A055 over Hemby Branch is a concrete continuous culvert carrying Nfa A055 over Hemby Branch in Humphreys County, Tennessee. It was built in 1984, so it is 41 years old, younger 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 200 vehicles a day, roughly 2% of them trucks, projected to reach 320 by 2042. The structure is 37 ft (11.3 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa A055
CrossesHemby Branch
LocationOn Hemby Br. Rd.
RouteCounty Highway 55
CountyHumphreys County
StateTennessee
Coordinates36.12525, -87.82739
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span15 ft (4.6 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic320 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 A055 over Hemby Branch built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A055 over Hemby 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 September 2023.

How much traffic does Nfa A055 over Hemby Branch carry?

About 200 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A055 over Hemby Branch?

The structure is 37 ft (11.3 m) long with a longest span of 15 ft (4.6 m) and a deck 30 ft wide.

Who owns Nfa A055 over Hemby Branch?

It is owned by the County Highway Agency.