US Bridges

Nfa A476 over Childers Branch

Fair

Houston County, Tennessee · Bear Cr. Rd. -Houston Co. · Structure no. 420A0930003

Built
1997
28 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A476 over Childers Branch is a concrete continuous culvert carrying Nfa A476 over Childers Branch in Houston County, Tennessee. It was built in 1997, so it is 28 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 20 vehicles a day, roughly 1% of them trucks, projected to reach 32 by 2040. The structure is 26 ft (7.8 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNfa A476
CrossesChilders Branch
LocationBear Cr. Rd. -Houston Co.
RouteCounty Highway 476
CountyHouston County
StateTennessee
Coordinates36.24333, -87.5412
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.6 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span12 ft (3.6 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic32 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 A476 over Childers Branch built?

It was built in 1997, making it 28 years old in 2025.

What condition is Nfa A476 over Childers 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 January 2024.

How much traffic does Nfa A476 over Childers Branch carry?

About 20 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A476 over Childers Branch?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.6 m) and a deck 28 ft wide.

Who owns Nfa A476 over Childers Branch?

It is owned by the County Highway Agency.