US Bridges

FAP 9 Rl over Holston River

Fair

Knox County, Tennessee · .3 M S of SR168 · Structure no. 47SR0090007

Built
2004
21 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
860 ft
7 main spans
Daily traffic
35,477
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 9 Rl over Holston River is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 9 Rl over Holston River in Knox County, Tennessee. It was built in 2004, so it is 21 years old, younger 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 6 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 35,477 vehicles a day, roughly 6% of them trucks, projected to reach 51,469 by 2041. The structure is 860 ft (262.2 m) long and 104 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAP 9 Rl
CrossesHolston River
Location.3 M S of SR168
RouteU.S. Route 25
Coordinates36.01445, -83.83125
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length860 ft (262.2 m)
Longest span138 ft (42.1 m)
Deck width104 ft (31.7 m)
Roadway width100 ft (30.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,477 (2021)
Projected traffic51,469 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 9 Rl over Holston River built?

It was built in 2004, making it 21 years old in 2025.

What condition is FAP 9 Rl 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 September 2023.

How much traffic does FAP 9 Rl over Holston River carry?

About 35,477 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 9 Rl over Holston River?

The structure is 860 ft (262.2 m) long with a longest span of 138 ft (42.1 m) and a deck 104 ft wide.

Who owns FAP 9 Rl over Holston River?

It is owned by the State Highway Agency.