US Bridges

I55 SB over I-55 S.B. / Brooks RD

Fair

Shelby County, Tennessee · 1 MI S of I240 JCT · Structure no. 79I00550028

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

About this bridge

I55 SB over I-55 S.B. / Brooks RD is a steel continuous stringer/multi-beam or girder carrying I55 SB over I-55 S.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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 112,715 vehicles a day, roughly 8% of them trucks, projected to reach 180,344 by 2042. The structure is 340 ft (103.5 m) long and 81 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI55 SB
CrossesI-55 S.B. / Brooks RD
Location1 MI S of I240 JCT
RouteInterstate 55
CountyShelby County
StateTennessee
Coordinates35.06122, -90.01984
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length340 ft (103.5 m)
Longest span107 ft (32.5 m)
Deck width81 ft (24.6 m)
Roadway width79 ft (24 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 SB over I-55 S.B. / Brooks RD built?

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

What condition is I55 SB over I-55 S.B. / Brooks RD in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does I55 SB over I-55 S.B. / Brooks RD carry?

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

How long is I55 SB over I-55 S.B. / Brooks RD?

The structure is 340 ft (103.5 m) long with a longest span of 107 ft (32.5 m) and a deck 81 ft wide.

Who owns I55 SB over I-55 S.B. / Brooks RD?

It is owned by the State Highway Agency.