US Bridges

Nfa A463 over Hill Creek

PoorPosted for load

Cannon County, Tennessee · Within 1M SE of Woodbury · Structure no. 080A4630001

Built
1950
75 years old
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
170
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A463 over Hill Creek is a steel stringer/multi-beam or girder carrying Nfa A463 over Hill Creek in Cannon County, Tennessee. It was built in 1950, so it is 75 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 170 vehicles a day, roughly 11% of them trucks, projected to reach 272 by 2041. The structure is 42 ft (12.8 m) long and 12 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNfa A463
CrossesHill Creek
LocationWithin 1M SE of Woodbury
RouteCounty Highway 463
CountyCannon County
StateTennessee
Coordinates35.80942, -86.04318
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.
Superstructure4 PoorAdvanced section loss, deterioration, 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
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating3.2 US tons
Inventory rating2.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span42 ft (12.8 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2020)
Projected traffic272 by 2041
Trucks11%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A463 over Hill Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa A463 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 A463 over Hill Creek carry?

About 170 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Nfa A463 over Hill Creek?

The structure is 42 ft (12.8 m) long with a longest span of 42 ft (12.8 m) and a deck 12 ft wide.

Who owns Nfa A463 over Hill Creek?

It is owned by the County Highway Agency.