US Bridges

FAP 115 over SR115 /SR158&TENN. Riv.

Fair

Knox County, Tennessee · In Knoxville · Structure no. 47SR1150009

Built
1990
35 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,179 ft
5 main spans
Daily traffic
62,553
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 115 over SR115 /SR158&TENN. Riv. is a steel continuous stringer/multi-beam or girder carrying FAP 115 over SR115 /SR158&TENN. Riv. in Knox County, Tennessee. It was built in 1990, so it is 35 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 62,553 vehicles a day, roughly 9% of them trucks, projected to reach 95,318 by 2042. The structure is 1,179 ft (359.5 m) long and 136 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesFAP 115
CrossesSR115 /SR158&TENN. Riv.
LocationIn Knoxville
RouteU.S. Route 129
CountyKnox County
StateTennessee
Coordinates35.94577, -83.94701
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length1,179 ft (359.5 m)
Longest span323 ft (98.5 m)
Deck width136 ft (41.5 m)
Roadway width130 ft (39.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62,553 (2021)
Projected traffic95,318 by 2042
Trucks9%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed9.9 mi (16 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$58.1 million (2022 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was FAP 115 over SR115 /SR158&TENN. Riv. built?

It was built in 1990, making it 35 years old in 2025.

What condition is FAP 115 over SR115 /SR158&TENN. Riv. 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 January 2024.

How much traffic does FAP 115 over SR115 /SR158&TENN. Riv. carry?

About 62,553 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 115 over SR115 /SR158&TENN. Riv.?

The structure is 1,179 ft (359.5 m) long with a longest span of 323 ft (98.5 m) and a deck 136 ft wide.

Who owns FAP 115 over SR115 /SR158&TENN. Riv.?

It is owned by the State Highway Agency.