US Bridges

Nfa A460 over Right Fork Coal Creek

Good

Anderson County, Tennessee · 1 M W of US25W-SR116 JCT · Structure no. 010A4600001

Built
1970
55 years old, rebuilt 2022
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
360
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A460 over Right Fork Coal Creek is a concrete culvert carrying Nfa A460 over Right Fork Coal Creek in Anderson County, Tennessee. It was built in 1970 and reconstructed in 2022, 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 360 vehicles a day, roughly 2% of them trucks, projected to reach 576 by 2042. The structure is 25 ft (7.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa A460
CrossesRight Fork Coal Creek
Location1 M W of US25W-SR116 JCT
RouteCity Street 460
Coordinates36.22273, -84.15826
Functional classUrban 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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span12 ft (3.6 m)
Deck width33 ft (10 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2020)
Projected traffic576 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 A460 over Right Fork Coal Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2022.

What condition is Nfa A460 over Right Fork Coal Creek 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 2023.

How much traffic does Nfa A460 over Right Fork Coal Creek carry?

About 360 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A460 over Right Fork Coal Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.6 m) and a deck 33 ft wide.

Who owns Nfa A460 over Right Fork Coal Creek?

It is owned by the City or Municipal Highway Agency.