US Bridges

FAU 3594 over Branch

Good

Hamilton County, Tennessee · In Chattanooga · Structure no. 33M35940001

Built
1970
55 years old
Condition
Good
inspected January 2025
Type
Culvert
Steel
Length
20 ft
1 main span
Daily traffic
1,319
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3594 over Branch is a steel culvert carrying FAU 3594 over 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,319 vehicles a day, roughly 1% of them trucks, projected to reach 2,110 by 2042. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesFAU 3594
CrossesBranch
LocationIn Chattanooga
RouteCity Street 3594
Coordinates35.13434, -85.30521
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating34.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 15
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,319 (2021)
Projected traffic2,110 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 3594 over Branch built?

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

What condition is FAU 3594 over Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does FAU 3594 over Branch carry?

About 1,319 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is FAU 3594 over Branch?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m).

Who owns FAU 3594 over Branch?

It is owned by the City or Municipal Highway Agency.