US Bridges

Nfa A047 over Davidson Creek

Fair

Obion County, Tennessee · 3.6 MI N JCT SR21&SR184 · Structure no. 660A0470001

Built
1965
60 years old, rebuilt 2023
Condition
Fair
inspected March 2023
Type
Channel Beam
Concrete
Length
34 ft
2 main spans
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A047 over Davidson Creek is a concrete channel beam carrying Nfa A047 over Davidson Creek in Obion County, Tennessee. It was built in 1965 and reconstructed in 2023, so it is 60 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 20 vehicles a day, roughly 5% of them trucks, projected to reach 32 by 2041. The structure is 34 ft (10.4 m) long and 21 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNfa A047
CrossesDavidson Creek
Location3.6 MI N JCT SR21&SR184
RouteCounty Highway 47
CountyObion County
StateTennessee
Coordinates36.39136, -89.14794
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 20
Structure length34 ft (10.4 m)
Longest span15 ft (4.5 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic32 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$460,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A047 over Davidson Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2023.

What condition is Nfa A047 over Davidson 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 March 2023.

How much traffic does Nfa A047 over Davidson Creek carry?

About 20 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Nfa A047 over Davidson Creek?

The structure is 34 ft (10.4 m) long with a longest span of 15 ft (4.5 m) and a deck 21 ft wide.

Who owns Nfa A047 over Davidson Creek?

It is owned by the County Highway Agency.