US Bridges

FAU 3633 over Branch

Fair

Hamilton County, Tennessee · Between Soddy and Daisy · Structure no. 33036330023

Built
1940
85 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
7,960
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3633 over Branch is a concrete continuous culvert carrying FAU 3633 over Branch in Hamilton 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 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 7,960 vehicles a day, roughly 4% of them trucks, projected to reach 12,917 by 2042. The structure is 32 ft (9.8 m) long and 54 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAU 3633
CrossesBranch
LocationBetween Soddy and Daisy
RouteCity Street 3633
Coordinates35.26493, -85.17478
Functional classUrban Minor 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width54 ft (16.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,960 (2021)
Projected traffic12,917 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3633 over Branch built?

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

What condition is FAU 3633 over Branch 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 FAU 3633 over Branch carry?

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

How long is FAU 3633 over Branch?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 54 ft wide.

Who owns FAU 3633 over Branch?

It is owned by the City or Municipal Highway Agency.