US Bridges

FAU 3605 over Friar Branch

Fair

Hamilton County, Tennessee · 2 MI N of SR2 · Structure no. 33S43420001

Built
1955
70 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
114 ft
4 main spans
Daily traffic
3,921
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3605 over Friar Branch is a concrete tee beam carrying FAU 3605 over Friar Branch in Hamilton County, Tennessee. It was built in 1955, so it is 70 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 5 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 3,921 vehicles a day, roughly 4% of them trucks, projected to reach 6,274 by 2042. The structure is 114 ft (34.7 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesFAU 3605
CrossesFriar Branch
Location2 MI N of SR2
RouteCity Street 3605
CountyHamilton County
StateTennessee
Coordinates35.04662, -85.201
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length114 ft (34.7 m)
Longest span29 ft (8.8 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,921 (2021)
Projected traffic6,274 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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$526,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3605 over Friar Branch built?

It was built in 1955, making it 70 years old in 2025.

What condition is FAU 3605 over Friar 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 3605 over Friar Branch carry?

About 3,921 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 3605 over Friar Branch?

The structure is 114 ft (34.7 m) long with a longest span of 29 ft (8.8 m) and a deck 34 ft wide.

Who owns FAU 3605 over Friar Branch?

It is owned by the City or Municipal Highway Agency.