US Bridges

Nfa A622 over Dry Creek

Fair

Franklin County, Tennessee · East of US64 · Structure no. 260A6220001

Built
1978
47 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
280
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A622 over Dry Creek is a steel stringer/multi-beam or girder carrying Nfa A622 over Dry Creek in Franklin County, Tennessee. It was built in 1978, so it is 47 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 6 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 280 vehicles a day, roughly 2% of them trucks, projected to reach 448 by 2041. The structure is 30 ft (9 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A622
CrossesDry Creek
LocationEast of US64
RouteCounty Highway 622
Coordinates35.13139, -86.13629
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length30 ft (9 m)
Longest span28 ft (8.5 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2020)
Projected traffic448 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$223,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A622 over Dry Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Nfa A622 over Dry 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 August 2023.

How much traffic does Nfa A622 over Dry Creek carry?

About 280 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A622 over Dry Creek?

The structure is 30 ft (9 m) long with a longest span of 28 ft (8.5 m) and a deck 28 ft wide.

Who owns Nfa A622 over Dry Creek?

It is owned by the County Highway Agency.