US Bridges

Nfa A700 over Buck Creek

Fair

Carter County, Tennessee · Just S of SR36 near ST LN · Structure no. 100A7000001

Built
1984
41 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
520
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A700 over Buck Creek is a concrete slab carrying Nfa A700 over Buck Creek in Carter County, Tennessee. It was built in 1984, so it is 41 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 520 vehicles a day, roughly 2% of them trucks, projected to reach 832 by 2041. The structure is 34 ft (10.5 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa A700
CrossesBuck Creek
LocationJust S of SR36 near ST LN
RouteCounty Highway 700
CountyCarter County
StateTennessee
Coordinates36.18107, -82.02257
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length34 ft (10.5 m)
Longest span33 ft (10 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (2020)
Projected traffic832 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A700 over Buck Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A700 over Buck 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 July 2023.

How much traffic does Nfa A700 over Buck Creek carry?

About 520 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A700 over Buck Creek?

The structure is 34 ft (10.5 m) long with a longest span of 33 ft (10 m) and a deck 26 ft wide.

Who owns Nfa A700 over Buck Creek?

It is owned by the County Highway Agency.