US Bridges

Nfa A415 over Worley Furnace Branch

Good

Dickson County, Tennessee · 1.2 M. S. SR1. · Structure no. 220A5060001

Built
1960
65 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
110
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A415 over Worley Furnace Branch is a concrete continuous culvert carrying Nfa A415 over Worley Furnace Branch in Dickson County, Tennessee. It was built in 1960, so it is 65 years old, older 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 110 vehicles a day, roughly 2% of them trucks, projected to reach 176 by 2040. The structure is 22 ft (6.7 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A415
CrossesWorley Furnace Branch
Location1.2 M. S. SR1.
RouteCounty Highway 415
Coordinates36.06608, -87.45464
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating49.6 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2020)
Projected traffic176 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$82,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A415 over Worley Furnace Branch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa A415 over Worley Furnace 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 June 2024.

How much traffic does Nfa A415 over Worley Furnace Branch carry?

About 110 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A415 over Worley Furnace Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 23 ft wide.

Who owns Nfa A415 over Worley Furnace Branch?

It is owned by the County Highway Agency.