US Bridges

Nfa A417 over Barger Hollow Branch

Good

DeKalb County, Tennessee · .1MI North of US70 · Structure no. 210A4090001

Built
1994
31 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
160
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A417 over Barger Hollow Branch is a concrete continuous culvert carrying Nfa A417 over Barger Hollow Branch in DeKalb County, Tennessee. It was built in 1994, so it is 31 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 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 160 vehicles a day, roughly 2% of them trucks, projected to reach 256 by 2040. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa A417
CrossesBarger Hollow Branch
Location.1MI North of US70
RouteCity Street 417
Coordinates36.0155, -85.9471
Functional classRural 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating60.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length30 ft (9.1 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2020)
Projected traffic256 by 2040
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 A417 over Barger Hollow Branch built?

It was built in 1994, making it 31 years old in 2025.

What condition is Nfa A417 over Barger Hollow 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 December 2023.

How much traffic does Nfa A417 over Barger Hollow Branch carry?

About 160 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A417 over Barger Hollow Branch?

The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns Nfa A417 over Barger Hollow Branch?

It is owned by the City or Municipal Highway Agency.