US Bridges

Nfa A326 over Beaverdam Creek

FairPosted for load

Hickman County, Tennessee · 4.5 M SW of Centerville · Structure no. 410A3070001

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete Continuous
Length
115 ft
4 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A326 over Beaverdam Creek is a concrete continuous tee beam carrying Nfa A326 over Beaverdam Creek in Hickman County, Tennessee. It was built in 1975, so it is 50 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 30 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2042. The structure is 115 ft (35.1 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A326
CrossesBeaverdam Creek
Location4.5 M SW of Centerville
RouteCounty Highway 326
CountyHickman County
StateTennessee
Coordinates35.74342, -87.53715
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.
Superstructure7 GoodSome minor problems.
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length115 ft (35.1 m)
Longest span29 ft (8.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic48 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$661,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A326 over Beaverdam Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Nfa A326 over Beaverdam 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 October 2023.

How much traffic does Nfa A326 over Beaverdam Creek carry?

About 30 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A326 over Beaverdam Creek?

The structure is 115 ft (35.1 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns Nfa A326 over Beaverdam Creek?

It is owned by the County Highway Agency.