US Bridges

Nfa A383 over Hill Creek

PoorPosted for load

Cannon County, Tennessee · Southeast of Woodbury · Structure no. 080A3830001

Built
1970
55 years old
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A383 over Hill Creek is a steel stringer/multi-beam or girder carrying Nfa A383 over Hill Creek in Cannon County, Tennessee. It was built in 1970, so it is 55 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 4% of them trucks, projected to reach 80 by 2041. The structure is 41 ft (12.6 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A383
CrossesHill Creek
LocationSoutheast of Woodbury
RouteCounty Highway 383
Coordinates35.8139, -86.04591
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating4.3 US tons
Inventory rating3.2 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length41 ft (12.6 m)
Longest span41 ft (12.6 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic80 by 2041
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$533,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A383 over Hill Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa A383 over Hill Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does Nfa A383 over Hill Creek carry?

About 50 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A383 over Hill Creek?

The structure is 41 ft (12.6 m) long with a longest span of 41 ft (12.6 m) and a deck 14 ft wide.

Who owns Nfa A383 over Hill Creek?

It is owned by the County Highway Agency.