US Bridges

Nfa D942 over Dick Ford Road / SR 168

Fair

Knox County, Tennessee · Just W of US441-SR168 · Structure no. 47SR1680001

Built
1973
52 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
147 ft
1 main span
Daily traffic
780
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa D942 over Dick Ford Road / SR 168 is a prestressed concrete box beam or girders - multiple carrying Nfa D942 over Dick Ford Road / SR 168 in Knox County, Tennessee. It was built in 1973, so it is 52 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 780 vehicles a day, roughly 2% of them trucks, projected to reach 1,248 by 2042. The structure is 147 ft (44.9 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa D942
CrossesDick Ford Road / SR 168
LocationJust W of US441-SR168
RouteCounty Highway 942
Coordinates35.90085, -83.8563
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length147 ft (44.9 m)
Longest span140 ft (42.8 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic780 (2020)
Projected traffic1,248 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 D942 over Dick Ford Road / SR 168 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Nfa D942 over Dick Ford Road / SR 168 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does Nfa D942 over Dick Ford Road / SR 168 carry?

About 780 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa D942 over Dick Ford Road / SR 168?

The structure is 147 ft (44.9 m) long with a longest span of 140 ft (42.8 m) and a deck 36 ft wide.

Who owns Nfa D942 over Dick Ford Road / SR 168?

It is owned by the State Highway Agency.