US Bridges

FAU 277 299606W over B812 & Cnic RR

Fair

Shelby County, Tennessee · 0.4 MI N of SR-4 Jct. · Structure no. 79FA3120001

Built
1992
33 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
241 ft
4 main spans
Daily traffic
32,865
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 277 299606W over B812 & Cnic RR is a prestressed concrete continuous box beam or girders - single or spread carrying FAU 277 299606W over B812 & Cnic RR in Shelby County, Tennessee. It was built in 1992, so it is 33 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 32,865 vehicles a day, roughly 9% of them trucks, projected to reach 52,584 by 2042. The structure is 241 ft (73.5 m) long and 55 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesFAU 277 299606W
CrossesB812 & Cnic RR
Location0.4 MI N of SR-4 Jct.
RouteState Highway 277
CountyShelby County
StateTennessee
Coordinates35.11192, -89.98469
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length241 ft (73.5 m)
Longest span69 ft (21 m)
Deck width55 ft (16.9 m)
Roadway width53 ft (16.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,865 (2021)
Projected traffic52,584 by 2042
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$665,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 277 299606W over B812 & Cnic RR built?

It was built in 1992, making it 33 years old in 2025.

What condition is FAU 277 299606W over B812 & Cnic RR 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 January 2025.

How much traffic does FAU 277 299606W over B812 & Cnic RR carry?

About 32,865 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAU 277 299606W over B812 & Cnic RR?

The structure is 241 ft (73.5 m) long with a longest span of 69 ft (21 m) and a deck 55 ft wide.

Who owns FAU 277 299606W over B812 & Cnic RR?

It is owned by the State Highway Agency.