US Bridges

FAP 61 over Big Mountain Creek

Fair

Roane County, Tennessee · In Oliver Springs · Structure no. 73SR0610021

Built
1984
41 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
106 ft
3 main spans
Daily traffic
5,469
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 61 over Big Mountain Creek is a prestressed concrete stringer/multi-beam or girder carrying FAP 61 over Big Mountain Creek in Roane County, Tennessee. It was built in 1984, so it is 41 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 5,469 vehicles a day, roughly 9% of them trucks, projected to reach 9,237 by 2041. The structure is 106 ft (32.3 m) long and 90 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAP 61
CrossesBig Mountain Creek
LocationIn Oliver Springs
RouteState Highway 61
Coordinates36.0468, -84.34718
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating71.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length106 ft (32.3 m)
Longest span36 ft (11 m)
Deck width90 ft (27.4 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,469 (2021)
Projected traffic9,237 by 2041
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 61 over Big Mountain Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is FAP 61 over Big Mountain Creek 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 May 2023.

How much traffic does FAP 61 over Big Mountain Creek carry?

About 5,469 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 61 over Big Mountain Creek?

The structure is 106 ft (32.3 m) long with a longest span of 36 ft (11 m) and a deck 90 ft wide.

Who owns FAP 61 over Big Mountain Creek?

It is owned by the State Highway Agency.