US Bridges

Nfa A036 over Harris Creek

Good

Trousdale County, Tennessee · 1 MI S of SR10 · Structure no. 850A0360001

Built
1984
41 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
80
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A036 over Harris Creek is a concrete continuous culvert carrying Nfa A036 over Harris Creek in Trousdale County, Tennessee. It was built in 1984, so it is 41 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 80 vehicles a day, roughly 5% of them trucks, projected to reach 128 by 2041. The structure is 34 ft (10.4 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesNfa A036
CrossesHarris Creek
Location1 MI S of SR10
RouteCounty Highway 36
CountyTrousdale County
StateTennessee
Coordinates36.42837, -86.17416
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span16 ft (4.9 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)
Projected traffic128 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 A036 over Harris Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A036 over Harris Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does Nfa A036 over Harris Creek carry?

About 80 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Nfa A036 over Harris Creek?

The structure is 34 ft (10.4 m) long with a longest span of 16 ft (4.9 m) and a deck 26 ft wide.

Who owns Nfa A036 over Harris Creek?

It is owned by the County Highway Agency.