US Bridges

Nfa A622 over CSX Railroad

Good

Campbell County, Tennessee · NW of SR 9 in Lafollette · Structure no. 070A6220001

Built
1992
33 years old, rebuilt 2019
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
159 ft
3 main spans
Daily traffic
110
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A622 over CSX Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A622 over CSX Railroad in Campbell County, Tennessee. It was built in 1992 and reconstructed in 2019, so it is 33 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 110 vehicles a day, roughly 2% of them trucks, projected to reach 176 by 2042. The structure is 159 ft (48.5 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa A622
CrossesCSX Railroad
LocationNW of SR 9 in Lafollette
RouteCity Street 622
Coordinates36.37852, -84.12987
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.8 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span72 ft (21.9 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2020)
Projected traffic176 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A622 over CSX Railroad built?

It was built in 1992, making it 33 years old in 2025. It was reconstructed in 2019.

What condition is Nfa A622 over CSX Railroad 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 April 2024.

How much traffic does Nfa A622 over CSX Railroad carry?

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

How long is Nfa A622 over CSX Railroad?

The structure is 159 ft (48.5 m) long with a longest span of 72 ft (21.9 m) and a deck 26 ft wide.

Who owns Nfa A622 over CSX Railroad?

It is owned by the City or Municipal Highway Agency.