US Bridges

FAP 115 over Four Mile Creek

Fair

Blount County, Tennessee · 2.0 M SW of SR336 · Structure no. 05SR1150001

Built
1938
87 years old, rebuilt 1988
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
3 main spans
Daily traffic
1,320
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 115 over Four Mile Creek is a steel stringer/multi-beam or girder carrying FAP 115 over Four Mile Creek in Blount County, Tennessee. It was built in 1938 and reconstructed in 1988, so it is 87 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 1,320 vehicles a day, roughly 3% of them trucks, projected to reach 1,930 by 2042. The structure is 71 ft (21.7 m) long and 25 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesFAP 115
CrossesFour Mile Creek
Location2.0 M SW of SR336
RouteU.S. Route 129
Coordinates35.5794, -84.09717
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 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 rating41.1 US tons
Inventory rating31.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length71 ft (21.7 m)
Longest span24 ft (7.3 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,320 (2021)
Projected traffic1,930 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$290,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 115 over Four Mile Creek built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1988.

What condition is FAP 115 over Four Mile 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 October 2023.

How much traffic does FAP 115 over Four Mile Creek carry?

About 1,320 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAP 115 over Four Mile Creek?

The structure is 71 ft (21.7 m) long with a longest span of 24 ft (7.3 m) and a deck 25 ft wide.

Who owns FAP 115 over Four Mile Creek?

It is owned by the State Highway Agency.