US Bridges

FAP 73 over Branch

Good

Blount County, Tennessee · West of Maryville · Structure no. 05SR0730003

Built
1979
46 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
11,168
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 73 over Branch is a concrete continuous culvert carrying FAP 73 over Branch in Blount County, Tennessee. It was built in 1979, so it is 46 years old, younger 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 11,168 vehicles a day, roughly 9% of them trucks, projected to reach 17,336 by 2042. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 36 mi (58 km).

CarriesFAP 73
CrossesBranch
LocationWest of Maryville
RouteU.S. Route 321
Coordinates35.75388, -84.12828
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,168 (2021)
Projected traffic17,336 by 2042
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$566,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 73 over Branch built?

It was built in 1979, making it 46 years old in 2025.

What condition is FAP 73 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 October 2023.

How much traffic does FAP 73 over Branch carry?

About 11,168 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 73 over Branch?

The structure is 39 ft (11.9 m) long with a longest span of 13 ft (4 m).

Who owns FAP 73 over Branch?

It is owned by the State Highway Agency.