US Bridges

Nfa E516 over Little Dismal Creek

Good

Anderson County, Tennessee · 2 M E of US25W-SR61 JCT · Structure no. 010A1940003

Built
2010
15 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
300
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa E516 over Little Dismal Creek is a concrete continuous culvert carrying Nfa E516 over Little Dismal Creek in Anderson County, Tennessee. It was built in 2010, so it is 15 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 300 vehicles a day, roughly 1% of them trucks, projected to reach 480 by 2041. The structure is 36 ft (11.1 m) long and 33 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa E516
CrossesLittle Dismal Creek
Location2 M E of US25W-SR61 JCT
RouteCounty Highway 516
Coordinates36.07925, -84.10867
Functional classUrban 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length36 ft (11.1 m)
Longest span12 ft (3.8 m)
Deck width33 ft (10.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic480 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$275,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa E516 over Little Dismal Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Nfa E516 over Little Dismal 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 July 2023.

How much traffic does Nfa E516 over Little Dismal Creek carry?

About 300 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa E516 over Little Dismal Creek?

The structure is 36 ft (11.1 m) long with a longest span of 12 ft (3.8 m) and a deck 33 ft wide.

Who owns Nfa E516 over Little Dismal Creek?

It is owned by the County Highway Agency.