US Bridges

Nfa A417 over Worley Furnace Branch

Good

Dickson County, Tennessee · 1 M. S. SR-1. · Structure no. 220A5090003

Built
1970
55 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
140
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A417 over Worley Furnace Branch is a concrete culvert carrying Nfa A417 over Worley Furnace Branch in Dickson County, Tennessee. It was built in 1970, so it is 55 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 140 vehicles a day, roughly 2% of them trucks, projected to reach 224 by 2040. The structure is 23 ft (7 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A417
CrossesWorley Furnace Branch
Location1 M. S. SR-1.
RouteCounty Highway 417
Coordinates36.07245, -87.43324
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 evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length23 ft (7 m)
Longest span15 ft (4.6 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.8 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 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A417 over Worley Furnace Branch built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa A417 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 A417 over Worley Furnace Branch carry?

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

How long is Nfa A417 over Worley Furnace Branch?

The structure is 23 ft (7 m) long with a longest span of 15 ft (4.6 m) and a deck 24 ft wide.

Who owns Nfa A417 over Worley Furnace Branch?

It is owned by the County Highway Agency.