US Bridges

FAU 3604 (sa 3323) over Branch

Fair

Hamilton County, Tennessee · In East Brainerd · Structure no. 33036040009

Built
1960
65 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
7,250
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3604 (sa 3323) over Branch is a concrete continuous culvert carrying FAU 3604 (sa 3323) over Branch in Hamilton County, Tennessee. It was built in 1960, so it is 65 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 7,250 vehicles a day, roughly 3% of them trucks, projected to reach 11,600 by 2042. The structure is 26 ft (8 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAU 3604 (sa 3323)
CrossesBranch
LocationIn East Brainerd
RouteCity Street 3604
Coordinates35.05265, -85.14333
Functional classUrban Local

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length26 ft (8 m)
Longest span10 ft (3 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,250 (2020)
Projected traffic11,600 by 2042
Trucks3%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$145,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3604 (sa 3323) over Branch built?

It was built in 1960, making it 65 years old in 2025.

What condition is FAU 3604 (sa 3323) 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 June 2023.

How much traffic does FAU 3604 (sa 3323) over Branch carry?

About 7,250 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is FAU 3604 (sa 3323) over Branch?

The structure is 26 ft (8 m) long with a longest span of 10 ft (3 m) and a deck 33 ft wide.

Who owns FAU 3604 (sa 3323) over Branch?

It is owned by the City or Municipal Highway Agency.