US Bridges

I140 over I140 / Connector "a"

Good

Knox County, Tennessee · 1 M NW of Blount CO LN · Structure no. 47I01400035

Built
1991
34 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
147 ft
3 main spans
Daily traffic
43,920
2021 count
Owner
State
State Highway Agency

About this bridge

I140 over I140 / Connector "a" is a prestressed concrete continuous stringer/multi-beam or girder carrying I140 over I140 / Connector "a" in Knox County, Tennessee. It was built in 1991, so it is 34 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 43,920 vehicles a day, roughly 6% of them trucks, projected to reach 79,056 by 2040. The structure is 147 ft (44.8 m) long and 88 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesI140
CrossesI140 / Connector "a"
Location1 M NW of Blount CO LN
RouteInterstate 140
Coordinates35.85537, -84.02332
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 inspectionJune 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 rating80.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length147 ft (44.8 m)
Longest span70 ft (21.4 m)
Deck width88 ft (26.8 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,920 (2021)
Projected traffic79,056 by 2040
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 I140 over I140 / Connector "a" built?

It was built in 1991, making it 34 years old in 2025.

What condition is I140 over I140 / Connector "a" 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 June 2024.

How much traffic does I140 over I140 / Connector "a" carry?

About 43,920 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I140 over I140 / Connector "a"?

The structure is 147 ft (44.8 m) long with a longest span of 70 ft (21.4 m) and a deck 88 ft wide.

Who owns I140 over I140 / Connector "a"?

It is owned by the State Highway Agency.