US Bridges

FAU 3573 over Small Branch

Fair

Hamilton County, Tennessee · Intersection 23RDST&4THAV · Structure no. 33035730001

Built
1970
55 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
5,454
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3573 over Small Branch is a concrete continuous culvert carrying FAU 3573 over Small Branch in Hamilton County, Tennessee. It was built in 1970, so it is 55 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 5,454 vehicles a day, roughly 4% of them trucks, projected to reach 8,726 by 2042. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAU 3573
CrossesSmall Branch
LocationIntersection 23RDST&4THAV
RouteCity Street 3573
CountyHamilton County
StateTennessee
Coordinates35.01848, -85.27901
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,454 (2021)
Projected traffic8,726 by 2042
Trucks4%
Lanes on structure5
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 3573 over Small Branch built?

It was built in 1970, making it 55 years old in 2025.

What condition is FAU 3573 over Small 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 May 2023.

How much traffic does FAU 3573 over Small Branch carry?

About 5,454 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 3573 over Small Branch?

The structure is 23 ft (6.9 m) long with a longest span of 11 ft (3.4 m).

Who owns FAU 3573 over Small Branch?

It is owned by the City or Municipal Highway Agency.