US Bridges

Nfa A199 over Dale Hollow Dam Spillway

Fair

Clay County, Tennessee · 3.5MI SE of Celina Tn. · Structure no. 140A1990001

Built
1943
82 years old, rebuilt 1983
Condition
Fair
inspected September 2023
Type
Girder and Floorbeam System
Steel
Length
414 ft
6 main spans
Daily traffic
136
2017 count
Owner
Federal
Corps of Engineers (Civil)

About this bridge

Nfa A199 over Dale Hollow Dam Spillway is a steel girder and floorbeam system carrying Nfa A199 over Dale Hollow Dam Spillway in Clay County, Tennessee. It was built in 1943 and reconstructed in 1983, so it is 82 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 5 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 136 vehicles a day, roughly 1% of them trucks, projected to reach 200 by 2041. The structure is 414 ft (126.1 m) long and 20 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesNfa A199
CrossesDale Hollow Dam Spillway
Location3.5MI SE of Celina Tn.
CountyClay County
StateTennessee
Coordinates36.53333, -85.46667
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length414 ft (126.1 m)
Longest span63 ft (19.2 m)
Deck width20 ft (6 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic136 (2017)
Projected traffic200 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCorps of Engineers (Civil)
Maintained byCorps of Engineers (Civil)
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$972,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A199 over Dale Hollow Dam Spillway built?

It was built in 1943, making it 82 years old in 2025. It was reconstructed in 1983.

What condition is Nfa A199 over Dale Hollow Dam Spillway 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 September 2023.

How much traffic does Nfa A199 over Dale Hollow Dam Spillway carry?

About 136 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Nfa A199 over Dale Hollow Dam Spillway?

The structure is 414 ft (126.1 m) long with a longest span of 63 ft (19.2 m) and a deck 20 ft wide.

Who owns Nfa A199 over Dale Hollow Dam Spillway?

It is owned by the Corps of Engineers (Civil).