US Bridges

FAU 4687 349327R over CSX Railroad

PoorPosted for load

Rutherford County, Tennessee · Bridge Ave near S Cannon · Structure no. 750B0990001

Built
1940
85 years old
Condition
Poor
inspected October 2024
Type
Tee Beam
Concrete
Length
129 ft
3 main spans
Daily traffic
5,228
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 4687 349327R over CSX Railroad is a concrete tee beam carrying FAU 4687 349327R over CSX Railroad in Rutherford County, Tennessee. It was built in 1940, so it is 85 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 5,228 vehicles a day, roughly 3% of them trucks, projected to reach 8,365 by 2042. The structure is 129 ft (39.3 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAU 4687 349327R
CrossesCSX Railroad
LocationBridge Ave near S Cannon
RouteCity Street 4687
Coordinates35.84464, -86.39906
Functional classUrban Collector

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 inspectionOctober 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating23.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length129 ft (39.3 m)
Longest span50 ft (15.2 m)
Deck width52 ft (15.9 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,228 (2021)
Projected traffic8,365 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.5 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 4687 349327R over CSX Railroad built?

It was built in 1940, making it 85 years old in 2025.

What condition is FAU 4687 349327R over CSX Railroad 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 October 2024.

How much traffic does FAU 4687 349327R over CSX Railroad carry?

About 5,228 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 4687 349327R over CSX Railroad?

The structure is 129 ft (39.3 m) long with a longest span of 50 ft (15.2 m) and a deck 52 ft wide.

Who owns FAU 4687 349327R over CSX Railroad?

It is owned by the City or Municipal Highway Agency.