US Bridges

Nfa A051 over Doe Creek

Good

Johnson County, Tennessee · S Off SR167-.8 M E of 67 · Structure no. 460A0510001

Built
1984
41 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
2 main spans
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A051 over Doe Creek is a prestressed concrete box beam or girders - multiple carrying Nfa A051 over Doe Creek in Johnson County, Tennessee. It was built in 1984, so it is 41 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 20 vehicles a day, roughly 4% of them trucks, projected to reach 32 by 2042. The structure is 52 ft (15.8 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A051
CrossesDoe Creek
LocationS Off SR167-.8 M E of 67
RouteCounty Highway 51
Coordinates36.38324, -81.9611
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length52 ft (15.8 m)
Longest span26 ft (7.9 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic32 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 A051 over Doe Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A051 over Doe 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 April 2024.

How much traffic does Nfa A051 over Doe Creek carry?

About 20 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A051 over Doe Creek?

The structure is 52 ft (15.8 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns Nfa A051 over Doe Creek?

It is owned by the County Highway Agency.