US Bridges

FAS 176 663409K over BNSF Rwy

Fair

Shelby County, Tennessee · 0.4 MI S of SR-4 Jct. · Structure no. 79S81110001

Built
1961
64 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
148 ft
3 main spans
Daily traffic
23,253
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 176 663409K over BNSF Rwy is a prestressed concrete stringer/multi-beam or girder carrying FAS 176 663409K over BNSF Rwy in Shelby County, Tennessee. It was built in 1961, so it is 64 years old, older 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 5 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 23,253 vehicles a day, roughly 9% of them trucks, projected to reach 37,205 by 2042. The structure is 148 ft (45.1 m) long and 78 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAS 176 663409K
CrossesBNSF Rwy
Location0.4 MI S of SR-4 Jct.
RouteState Highway 176
CountyShelby County
StateTennessee
Coordinates35.05494, -89.93347
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.3 US tons
Inventory rating57.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length148 ft (45.1 m)
Longest span50 ft (15.2 m)
Deck width78 ft (23.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,253 (2021)
Projected traffic37,205 by 2042
Trucks9%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed5 mi (8 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 FAS 176 663409K over BNSF Rwy built?

It was built in 1961, making it 64 years old in 2025.

What condition is FAS 176 663409K over BNSF Rwy 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 February 2025.

How much traffic does FAS 176 663409K over BNSF Rwy carry?

About 23,253 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAS 176 663409K over BNSF Rwy?

The structure is 148 ft (45.1 m) long with a longest span of 50 ft (15.2 m) and a deck 78 ft wide.

Who owns FAS 176 663409K over BNSF Rwy?

It is owned by the State Highway Agency.