US Bridges

FAU 3698 over Black Creek

Fair

Roane County, Tennessee · .9 M SW JCT SR1&SR61 · Structure no. 73L36980001

Built
1917
108 years old
Condition
Fair
inspected March 2023
Type
Arch - Deck
Concrete
Length
22 ft
1 main span
Daily traffic
2,580
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3698 over Black Creek is a concrete arch - deck carrying FAU 3698 over Black Creek in Roane County, Tennessee. It was built in 1917, so it is 108 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 2,580 vehicles a day, roughly 4% of them trucks, projected to reach 4,128 by 2042. The structure is 22 ft (6.6 m) long and 83 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFAU 3698
CrossesBlack Creek
Location.9 M SW JCT SR1&SR61
RouteCity Street 3698
CountyRoane County
StateTennessee
Coordinates35.86673, -84.68645
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.
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 inspectionMarch 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 geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length22 ft (6.6 m)
Longest span19 ft (5.8 m)
Deck width83 ft (25.4 m)
Roadway width56 ft (17.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,580 (2021)
Projected traffic4,128 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$992,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3698 over Black Creek built?

It was built in 1917, making it 108 years old in 2025.

What condition is FAU 3698 over Black 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 March 2023.

How much traffic does FAU 3698 over Black Creek carry?

About 2,580 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 3698 over Black Creek?

The structure is 22 ft (6.6 m) long with a longest span of 19 ft (5.8 m) and a deck 83 ft wide.

Who owns FAU 3698 over Black Creek?

It is owned by the City or Municipal Highway Agency.