US Bridges

FAU 3614 over Chattanooga Creek

Fair

Hamilton County, Tennessee · 1 Mi.East of Lookout Mtn. · Structure no. 33M36140001

Built
1974
51 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
170 ft
5 main spans
Daily traffic
5,910
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3614 over Chattanooga Creek is a concrete tee beam carrying FAU 3614 over Chattanooga Creek in Hamilton County, Tennessee. It was built in 1974, so it is 51 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 5,910 vehicles a day, roughly 3% of them trucks, projected to reach 8,946 by 2042. The structure is 170 ft (51.8 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAU 3614
CrossesChattanooga Creek
Location1 Mi.East of Lookout Mtn.
RouteCity Street 3614
CountyHamilton County
StateTennessee
Coordinates34.99458, -85.30312
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
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
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length170 ft (51.8 m)
Longest span34 ft (10.4 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,910 (2021)
Projected traffic8,946 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$628,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3614 over Chattanooga Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is FAU 3614 over Chattanooga Creek 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 3614 over Chattanooga Creek carry?

About 5,910 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 3614 over Chattanooga Creek?

The structure is 170 ft (51.8 m) long with a longest span of 34 ft (10.4 m) and a deck 35 ft wide.

Who owns FAU 3614 over Chattanooga Creek?

It is owned by the City or Municipal Highway Agency.