US Bridges

FAP 115 over SR158 / SR115 Ramp B

Good

Knox County, Tennessee · 1.4 MI N. of Blount Co. L · Structure no. 47SR1150029

Built
2001
24 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
201 ft
3 main spans
Daily traffic
12,073
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 115 over SR158 / SR115 Ramp B is a steel continuous stringer/multi-beam or girder carrying FAP 115 over SR158 / SR115 Ramp B in Knox County, Tennessee. It was built in 2001, so it is 24 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,073 vehicles a day, roughly 9% of them trucks, projected to reach 27,918 by 2042. The structure is 201 ft (61.3 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAP 115
CrossesSR158 / SR115 Ramp B
Location1.4 MI N. of Blount Co. L
RouteU.S. Route 129
Coordinates35.95013, -83.94225
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length201 ft (61.3 m)
Longest span125 ft (38.1 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,073 (2021)
Projected traffic27,918 by 2042
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 115 over SR158 / SR115 Ramp B built?

It was built in 2001, making it 24 years old in 2025.

What condition is FAP 115 over SR158 / SR115 Ramp B in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does FAP 115 over SR158 / SR115 Ramp B carry?

About 12,073 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 115 over SR158 / SR115 Ramp B?

The structure is 201 ft (61.3 m) long with a longest span of 125 ft (38.1 m) and a deck 32 ft wide.

Who owns FAP 115 over SR158 / SR115 Ramp B?

It is owned by the State Highway Agency.