US Bridges

FAU A448 over Boones Creek

Good

Washington County, Tennessee · NW of I181-SR36 JCT · Structure no. 900A4480001

Built
2010
15 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
1,320
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU A448 over Boones Creek is a concrete continuous culvert carrying FAU A448 over Boones Creek in Washington County, Tennessee. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,320 vehicles a day, roughly 2% of them trucks, projected to reach 2,112 by 2042. The structure is 36 ft (11.1 m) long and 37 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFAU A448
CrossesBoones Creek
LocationNW of I181-SR36 JCT
RouteCounty Highway 448
Coordinates36.39195, -82.4008
Functional classUrban Local

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.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length36 ft (11.1 m)
Longest span18 ft (5.5 m)
Deck width37 ft (11.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,320 (2020)
Projected traffic2,112 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU A448 over Boones Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is FAU A448 over Boones Creek 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 June 2024.

How much traffic does FAU A448 over Boones Creek carry?

About 1,320 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is FAU A448 over Boones Creek?

The structure is 36 ft (11.1 m) long with a longest span of 18 ft (5.5 m) and a deck 37 ft wide.

Who owns FAU A448 over Boones Creek?

It is owned by the City or Municipal Highway Agency.