US Bridges

FAS 345 over Boones Creek

Fair

Washington County, Tennessee · .7 M SW JCT SR354&I181 · Structure no. 90S23830005

Built
1979
46 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
14,871
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 345 over Boones Creek is a concrete continuous culvert carrying FAS 345 over Boones Creek in Washington 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 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 14,871 vehicles a day, roughly 6% of them trucks, projected to reach 34,098 by 2042. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAS 345
CrossesBoones Creek
Location.7 M SW JCT SR354&I181
RouteState Highway 354
CountyWashington County
StateTennessee
Coordinates36.36943, -82.43114
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length45 ft (13.7 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,871 (2021)
Projected traffic34,098 by 2042
Trucks6%
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

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 FAS 345 over Boones Creek built?

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

What condition is FAS 345 over Boones 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 FAS 345 over Boones Creek carry?

About 14,871 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAS 345 over Boones Creek?

The structure is 45 ft (13.7 m) long with a longest span of 14 ft (4.2 m).

Who owns FAS 345 over Boones Creek?

It is owned by the State Highway Agency.