US Bridges

Nfa A074 over Gap Creek

Fair

Greene County, Tennessee · 3.3 M W of I81-SR70 Exch · Structure no. 300A0740001

Built
1925
100 years old, rebuilt 2006
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A074 over Gap Creek is a steel stringer/multi-beam or girder carrying Nfa A074 over Gap Creek in Greene County, Tennessee. It was built in 1925 and reconstructed in 2006, so it is 100 years old, older 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 16 by 2042. The structure is 22 ft (6.7 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A074
CrossesGap Creek
Location3.3 M W of I81-SR70 Exch
RouteCounty Highway 74
Coordinates36.27248, -82.97955
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating27.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic16 by 2042
Trucks2%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 A074 over Gap Creek built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 2006.

What condition is Nfa A074 over Gap 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 February 2025.

How much traffic does Nfa A074 over Gap Creek carry?

About 10 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A074 over Gap Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 22 ft wide.

Who owns Nfa A074 over Gap Creek?

It is owned by the County Highway Agency.