US Bridges

FAP 73 over Brown Creek

Fair

Blount County, Tennessee · 3.1 M N SR35 · Structure no. 05SR0730009

Built
1939
86 years old, rebuilt 1985
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
57 ft
2 main spans
Daily traffic
23,670
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 73 over Brown Creek is a concrete tee beam carrying FAP 73 over Brown Creek in Blount County, Tennessee. It was built in 1939 and reconstructed in 1985, so it is 86 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 23,670 vehicles a day, roughly 9% of them trucks, projected to reach 34,754 by 2042. The structure is 57 ft (17.4 m) long and 78 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFAP 73
CrossesBrown Creek
Location3.1 M N SR35
RouteU.S. Route 321
Coordinates35.75502, -83.95375
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length57 ft (17.4 m)
Longest span29 ft (8.7 m)
Deck width78 ft (23.8 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,670 (2021)
Projected traffic34,754 by 2042
Trucks9%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FAP 73 over Brown Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1985.

What condition is FAP 73 over Brown 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 October 2023.

How much traffic does FAP 73 over Brown Creek carry?

About 23,670 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 73 over Brown Creek?

The structure is 57 ft (17.4 m) long with a longest span of 29 ft (8.7 m) and a deck 78 ft wide.

Who owns FAP 73 over Brown Creek?

It is owned by the State Highway Agency.