US Bridges

Nfa A063 over Doe Creek

FairPosted for load

Johnson County, Tennessee · N Off SR67-SW of US421 · Structure no. 460A0630001

Built
1960
65 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
300
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A063 over Doe Creek is a steel stringer/multi-beam or girder carrying Nfa A063 over Doe Creek in Johnson 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, roughly 6% of them trucks, projected to reach 480 by 2042. The structure is 30 ft (9 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A063
CrossesDoe Creek
LocationN Off SR67-SW of US421
RouteCounty Highway 63
CountyJohnson County
StateTennessee
Coordinates36.44917, -81.89944
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating4.6 US tons
Inventory rating3.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length30 ft (9 m)
Longest span27 ft (8.3 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic480 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$494,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A063 over Doe Creek built?

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

What condition is Nfa A063 over Doe Creek 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 April 2024.

How much traffic does Nfa A063 over Doe Creek carry?

About 300 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Nfa A063 over Doe Creek?

The structure is 30 ft (9 m) long with a longest span of 27 ft (8.3 m) and a deck 22 ft wide.

Who owns Nfa A063 over Doe Creek?

It is owned by the County Highway Agency.