US Bridges

Nfa A322 over Doe Creek

Fair

Henderson County, Tennessee · 0.3 MI W of Decatur · Structure no. 390A3220001

Built
1984
41 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
69 ft
4 main spans
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A322 over Doe Creek is a concrete continuous culvert carrying Nfa A322 over Doe Creek in Henderson 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 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2040. The structure is 69 ft (21.1 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa A322
CrossesDoe Creek
Location0.3 MI W of Decatur
RouteCounty Highway 322
Coordinates35.43039, -88.25105
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 inspectionJune 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length69 ft (21.1 m)
Longest span17 ft (5.3 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic160 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 A322 over Doe Creek built?

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

What condition is Nfa A322 over Doe 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 June 2024.

How much traffic does Nfa A322 over Doe Creek carry?

About 100 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Nfa A322 over Doe Creek?

The structure is 69 ft (21.1 m) long with a longest span of 17 ft (5.3 m) and a deck 26 ft wide.

Who owns Nfa A322 over Doe Creek?

It is owned by the County Highway Agency.