US Bridges

Nfa D711 over Tuckahoe Creek

Fair

Knox County, Tennessee · Smith Sch. Rd-S of I40 · Structure no. 470D7110001

Built
1930
95 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
34 ft
2 main spans
Daily traffic
180
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa D711 over Tuckahoe Creek is a concrete slab carrying Nfa D711 over Tuckahoe Creek in Knox County, Tennessee. It was built in 1930, so it is 95 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 180 vehicles a day, roughly 2% of them trucks, projected to reach 288 by 2040. The structure is 34 ft (10.5 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa D711
CrossesTuckahoe Creek
LocationSmith Sch. Rd-S of I40
RouteCounty Highway 711
CountyKnox County
StateTennessee
Coordinates35.97455, -83.68523
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length34 ft (10.5 m)
Longest span15 ft (4.6 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2020)
Projected traffic288 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$103,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa D711 over Tuckahoe Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Nfa D711 over Tuckahoe 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 2024.

How much traffic does Nfa D711 over Tuckahoe Creek carry?

About 180 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa D711 over Tuckahoe Creek?

The structure is 34 ft (10.5 m) long with a longest span of 15 ft (4.6 m) and a deck 24 ft wide.

Who owns Nfa D711 over Tuckahoe Creek?

It is owned by the County Highway Agency.