US Bridges

I55 NB over I-55 N.B. / Brooks RD

Good

Shelby County, Tennessee · 1 MI S of I240 JCT · Structure no. 79I00550027

Built
2001
24 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
336 ft
4 main spans
Daily traffic
112,715
2021 count
Owner
State
State Highway Agency

About this bridge

I55 NB over I-55 N.B. / Brooks RD is a steel continuous stringer/multi-beam or girder carrying I55 NB over I-55 N.B. / Brooks RD in Shelby 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 112,715 vehicles a day, roughly 8% of them trucks, projected to reach 180,344 by 2042. The structure is 336 ft (102.4 m) long and 73 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI55 NB
CrossesI-55 N.B. / Brooks RD
Location1 MI S of I240 JCT
RouteInterstate 55
Coordinates35.06116, -90.01884
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.
Superstructure8 Very GoodNo problems noted.
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating32.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length336 ft (102.4 m)
Longest span107 ft (32.5 m)
Deck width73 ft (22.1 m)
Roadway width71 ft (21.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112,715 (2021)
Projected traffic180,344 by 2042
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I55 NB over I-55 N.B. / Brooks RD built?

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

What condition is I55 NB over I-55 N.B. / Brooks RD 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 I55 NB over I-55 N.B. / Brooks RD carry?

About 112,715 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is I55 NB over I-55 N.B. / Brooks RD?

The structure is 336 ft (102.4 m) long with a longest span of 107 ft (32.5 m) and a deck 73 ft wide.

Who owns I55 NB over I-55 N.B. / Brooks RD?

It is owned by the State Highway Agency.