US Bridges

FAU 57 299598G over SR 23 CSX & Cnic RR

PoorPosted for load

Shelby County, Tennessee · SR-57 over SR-23 · Structure no. 79SR0230003

Built
1928
97 years old, rebuilt 1958
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,565 ft
6 main spans
Daily traffic
33,396
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 57 299598G over SR 23 CSX & Cnic RR is a steel continuous stringer/multi-beam or girder carrying FAU 57 299598G over SR 23 CSX & Cnic RR in Shelby County, Tennessee. It was built in 1928 and reconstructed in 1958, so it is 97 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 33,396 vehicles a day, roughly 9% of them trucks, projected to reach 53,434 by 2042. The structure is 1,565 ft (476.9 m) long and 78 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesFAU 57 299598G
CrossesSR 23 CSX & Cnic RR
LocationSR-57 over SR-23
RouteU.S. Route 72
CountyShelby County
StateTennessee
Coordinates35.13661, -89.97253
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6 (+42 approach)
Design loadHS 20
Structure length1,565 ft (476.9 m)
Longest span72 ft (21.9 m)
Deck width78 ft (23.8 m)
Roadway width63 ft (19.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,396 (2021)
Projected traffic53,434 by 2042
Trucks9%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed28 mi (45 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$39.9 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 57 299598G over SR 23 CSX & Cnic RR built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1958.

What condition is FAU 57 299598G over SR 23 CSX & Cnic RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does FAU 57 299598G over SR 23 CSX & Cnic RR carry?

About 33,396 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAU 57 299598G over SR 23 CSX & Cnic RR?

The structure is 1,565 ft (476.9 m) long with a longest span of 72 ft (21.9 m) and a deck 78 ft wide.

Who owns FAU 57 299598G over SR 23 CSX & Cnic RR?

It is owned by the State Highway Agency.