US Bridges

Nfa A799 over Whitehorn Creek

Good

Hawkins County, Tennessee · In Bulls Gap · Structure no. 370A7990001

Built
1990
35 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
200
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A799 over Whitehorn Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A799 over Whitehorn Creek in Hawkins County, Tennessee. It was built in 1990, so it is 35 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 200 vehicles a day, roughly 2% of them trucks, projected to reach 320 by 2039. The structure is 91 ft (27.7 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa A799
CrossesWhitehorn Creek
LocationIn Bulls Gap
RouteCity Street 799
Coordinates36.25238, -83.08417
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span31 ft (9.4 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic320 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 A799 over Whitehorn Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Nfa A799 over Whitehorn 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 A799 over Whitehorn Creek carry?

About 200 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A799 over Whitehorn Creek?

The structure is 91 ft (27.7 m) long with a longest span of 31 ft (9.4 m) and a deck 24 ft wide.

Who owns Nfa A799 over Whitehorn Creek?

It is owned by the City or Municipal Highway Agency.