US Bridges

FAU 3633 841976T over Southern Railway

PoorPosted for load

Hamilton County, Tennessee · In Soddy-Daisy · Structure no. 33036330021

Built
1928
97 years old, rebuilt 1961
Condition
Poor
inspected May 2023
Type
Tee Beam
Concrete
Length
179 ft
5 main spans
Daily traffic
7,960
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3633 841976T over Southern Railway is a concrete tee beam carrying FAU 3633 841976T over Southern Railway in Hamilton County, Tennessee. It was built in 1928 and reconstructed in 1961, 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 7,960 vehicles a day, roughly 4% of them trucks, projected to reach 12,917 by 2041. The structure is 179 ft (54.6 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAU 3633 841976T
CrossesSouthern Railway
LocationIn Soddy-Daisy
RouteCity Street 3633
CountyHamilton County
StateTennessee
Coordinates35.25577, -85.18018
Functional classUrban Minor 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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.5 US tons
Inventory rating17.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length179 ft (54.6 m)
Longest span51 ft (15.5 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,960 (2021)
Projected traffic12,917 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.7 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 3633 841976T over Southern Railway built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1961.

What condition is FAU 3633 841976T over Southern Railway 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 May 2023.

How much traffic does FAU 3633 841976T over Southern Railway carry?

About 7,960 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 3633 841976T over Southern Railway?

The structure is 179 ft (54.6 m) long with a longest span of 51 ft (15.5 m) and a deck 34 ft wide.

Who owns FAU 3633 841976T over Southern Railway?

It is owned by the City or Municipal Highway Agency.