US Bridges

Nfa A445 over Harness Creek

Fair

Anderson County, Tennessee · .3 M S of SR116-SR330 JCT · Structure no. 010A4450001

Built
1983
42 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
48 ft
3 main spans
Daily traffic
270
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A445 over Harness Creek is a concrete culvert carrying Nfa A445 over Harness Creek in Anderson County, Tennessee. It was built in 1983, so it is 42 years old, younger 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 270 vehicles a day, roughly 2% of them trucks, projected to reach 432 by 2041. The structure is 48 ft (14.6 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa A445
CrossesHarness Creek
Location.3 M S of SR116-SR330 JCT
RouteCounty Highway 445
CountyAnderson County
StateTennessee
Coordinates36.11627, -84.23611
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating93.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span15 ft (4.6 m)
Deck width31 ft (9.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2020)
Projected traffic432 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$335,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A445 over Harness Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nfa A445 over Harness 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 July 2023.

How much traffic does Nfa A445 over Harness Creek carry?

About 270 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A445 over Harness Creek?

The structure is 48 ft (14.6 m) long with a longest span of 15 ft (4.6 m) and a deck 31 ft wide.

Who owns Nfa A445 over Harness Creek?

It is owned by the County Highway Agency.