US Bridges

I40 Rmp C-C over I40-WB RMP-I75N / Pmill

Good

Knox County, Tennessee · .6 M NW of I75 · Structure no. 47I00400303

Built
1982
43 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
131 ft
1 main span
Daily traffic
182,502
2021 count
Owner
State
State Highway Agency

About this bridge

I40 Rmp C-C over I40-WB RMP-I75N / Pmill is a steel stringer/multi-beam or girder carrying I40 Rmp C-C over I40-WB RMP-I75N / Pmill in Knox County, Tennessee. It was built in 1982, so it is 43 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 182,502 vehicles a day, roughly 6% of them trucks, projected to reach 9,600 by 2041. The structure is 131 ft (39.9 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI40 Rmp C-C
CrossesI40-WB RMP-I75N / Pmill
Location.6 M NW of I75
RouteInterstate 40
Coordinates35.95856, -83.97095
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 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 rating98.2 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length131 ft (39.9 m)
Longest span124 ft (37.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic182,502 (2021)
Projected traffic9,600 by 2041
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I40 Rmp C-C over I40-WB RMP-I75N / Pmill built?

It was built in 1982, making it 43 years old in 2025.

What condition is I40 Rmp C-C over I40-WB RMP-I75N / Pmill 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 December 2024.

How much traffic does I40 Rmp C-C over I40-WB RMP-I75N / Pmill carry?

About 182,502 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I40 Rmp C-C over I40-WB RMP-I75N / Pmill?

The structure is 131 ft (39.9 m) long with a longest span of 124 ft (37.8 m) and a deck 32 ft wide.

Who owns I40 Rmp C-C over I40-WB RMP-I75N / Pmill?

It is owned by the State Highway Agency.