US Bridges

Nfa 1350 (sa 3016) over Little Gap Creek

Good

Greene County, Tennessee · W Off SR70-2.4 M N of I81 · Structure no. 30S23900009

Built
1945
80 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete Continuous
Length
46 ft
3 main spans
Daily traffic
467
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1350 (sa 3016) over Little Gap Creek is a concrete continuous culvert carrying Nfa 1350 (sa 3016) over Little Gap Creek in Greene County, Tennessee. It was built in 1945, so it is 80 years old, older 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 467 vehicles a day, roughly 3% of them trucks, projected to reach 720 by 2041. The structure is 46 ft (14 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa 1350 (sa 3016)
CrossesLittle Gap Creek
LocationW Off SR70-2.4 M N of I81
RouteCounty Highway 1350
Coordinates36.29758, -82.95155
Functional classRural Minor Collector

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 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length46 ft (14 m)
Longest span14 ft (4.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic467 (2021)
Projected traffic720 by 2041
Trucks3%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1350 (sa 3016) over Little Gap Creek built?

It was built in 1945, making it 80 years old in 2025.

What condition is Nfa 1350 (sa 3016) over Little Gap 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 2025.

How much traffic does Nfa 1350 (sa 3016) over Little Gap Creek carry?

About 467 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1350 (sa 3016) over Little Gap Creek?

The structure is 46 ft (14 m) long with a longest span of 14 ft (4.3 m) and a deck 26 ft wide.

Who owns Nfa 1350 (sa 3016) over Little Gap Creek?

It is owned by the County Highway Agency.