US Bridges

FAP 66 over Holston River

Fair

Hawkins County, Tennessee · 1.69 M S of Rogersville · Structure no. 37SR0660005

Built
1958
67 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
933 ft
3 main spans
Daily traffic
11,113
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 66 over Holston River is a steel continuous stringer/multi-beam or girder carrying FAP 66 over Holston River in Hawkins County, Tennessee. It was built in 1958, so it is 67 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 11,113 vehicles a day, roughly 5% of them trucks, projected to reach 15,821 by 2042. The structure is 933 ft (284.5 m) long and 34 ft wide. If it were closed, the detour would be 51 mi (82 km).

CarriesFAP 66
CrossesHolston River
Location1.69 M S of Rogersville
RouteState Highway 66
Coordinates36.37271, -83.01317
Functional classRural Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
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 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 rating33.6 US tons
Inventory rating26.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+8 approach)
Design loadHS 20
Structure length933 ft (284.5 m)
Longest span210 ft (64 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,113 (2021)
Projected traffic15,821 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed51 mi (82 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$16.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 66 over Holston River built?

It was built in 1958, making it 67 years old in 2025.

What condition is FAP 66 over Holston River 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 August 2024.

How much traffic does FAP 66 over Holston River carry?

About 11,113 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 66 over Holston River?

The structure is 933 ft (284.5 m) long with a longest span of 210 ft (64 m) and a deck 34 ft wide.

Who owns FAP 66 over Holston River?

It is owned by the State Highway Agency.