US Bridges

Nfa A176 over Beaverdam Creek

Fair

Benton County, Tennessee · 3.6 MI NE JCT SR69A&SR191 · Structure no. 030A1760001

Built
1975
50 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
98 ft
3 main spans
Daily traffic
260
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A176 over Beaverdam Creek is a prestressed concrete box beam or girders - multiple carrying Nfa A176 over Beaverdam Creek in Benton 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.

It carries about 260 vehicles a day, roughly 4% of them trucks, projected to reach 416 by 2042. The structure is 98 ft (29.9 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A176
CrossesBeaverdam Creek
Location3.6 MI NE JCT SR69A&SR191
RouteCounty Highway 176
CountyBenton County
StateTennessee
Coordinates36.08761, -88.04803
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.
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span33 ft (10.1 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2020)
Projected traffic416 by 2042
Trucks4%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A176 over Beaverdam Creek built?

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

What condition is Nfa A176 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 February 2024.

How much traffic does Nfa A176 over Beaverdam Creek carry?

About 260 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A176 over Beaverdam Creek?

The structure is 98 ft (29.9 m) long with a longest span of 33 ft (10.1 m) and a deck 29 ft wide.

Who owns Nfa A176 over Beaverdam Creek?

It is owned by the County Highway Agency.