US Bridges

FAP 158 over SR158 / I40-WB-RMP-1A

Good

Knox County, Tennessee · City of Knoxville · Structure no. 47I00400199

Built
2007
18 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
26,782
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 158 over SR158 / I40-WB-RMP-1A is a prestressed concrete stringer/multi-beam or girder carrying FAP 158 over SR158 / I40-WB-RMP-1A in Knox County, Tennessee. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 26,782 vehicles a day, roughly 6% of them trucks, projected to reach 66,416 by 2041. The structure is 62 ft (18.9 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesFAP 158
CrossesSR158 / I40-WB-RMP-1A
LocationCity of Knoxville
RouteState Highway 158
Coordinates35.97558, -83.91815
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span58 ft (17.7 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,782 (2021)
Projected traffic66,416 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 158 over SR158 / I40-WB-RMP-1A built?

It was built in 2007, making it 18 years old in 2025.

What condition is FAP 158 over SR158 / I40-WB-RMP-1A 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 November 2024.

How much traffic does FAP 158 over SR158 / I40-WB-RMP-1A carry?

About 26,782 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 158 over SR158 / I40-WB-RMP-1A?

The structure is 62 ft (18.9 m) long with a longest span of 58 ft (17.7 m) and a deck 44 ft wide.

Who owns FAP 158 over SR158 / I40-WB-RMP-1A?

It is owned by the State Highway Agency.