US Bridges

FAP 50 over Elk River

Fair

Grundy County, Tennessee · .9 Mi.Sw.Of I0024 · Structure no. 31SR0500001

Built
1967
58 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
183 ft
3 main spans
Daily traffic
5,966
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 50 over Elk River is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 50 over Elk River in Grundy County, Tennessee. It was built in 1967, so it is 58 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 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 5,966 vehicles a day, roughly 7% of them trucks, projected to reach 10,096 by 2040. The structure is 183 ft (55.8 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAP 50
CrossesElk River
Location.9 Mi.Sw.Of I0024
RouteU.S. Route 64
Coordinates35.28897, -85.91322
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span61 ft (18.6 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,966 (2021)
Projected traffic10,096 by 2040
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 50 over Elk River built?

It was built in 1967, making it 58 years old in 2025.

What condition is FAP 50 over Elk 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 April 2024.

How much traffic does FAP 50 over Elk River carry?

About 5,966 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is FAP 50 over Elk River?

The structure is 183 ft (55.8 m) long with a longest span of 61 ft (18.6 m) and a deck 46 ft wide.

Who owns FAP 50 over Elk River?

It is owned by the State Highway Agency.