US Bridges

Nfa A417 over Worley Furnace Br.

Good

Dickson County, Tennessee · Furnace Hollow Rd. · Structure no. 220A4170003

Built
1996
29 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
140
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A417 over Worley Furnace Br. is a concrete continuous culvert carrying Nfa A417 over Worley Furnace Br. in Dickson County, Tennessee. It was built in 1996, so it is 29 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 140 vehicles a day, roughly 2% of them trucks, projected to reach 224 by 2040. The structure is 22 ft (6.7 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNfa A417
CrossesWorley Furnace Br.
LocationFurnace Hollow Rd.
RouteCounty Highway 417
CountyDickson County
StateTennessee
Coordinates36.06766, -87.44891
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3.1 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2020)
Projected traffic224 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 A417 over Worley Furnace Br. built?

It was built in 1996, making it 29 years old in 2025.

What condition is Nfa A417 over Worley Furnace Br. 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 June 2024.

How much traffic does Nfa A417 over Worley Furnace Br. carry?

About 140 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A417 over Worley Furnace Br.?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3.1 m) and a deck 24 ft wide.

Who owns Nfa A417 over Worley Furnace Br.?

It is owned by the County Highway Agency.