US Bridges

Nfa A764 over Chestuee Creek

Fair

Bradley County, Tennessee · .2 MI West of Polk Co. · Structure no. 060A7640001

Built
1950
75 years old, rebuilt 1968
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A764 over Chestuee Creek is a prestressed concrete box beam or girders - multiple carrying Nfa A764 over Chestuee Creek in Bradley County, Tennessee. It was built in 1950 and reconstructed in 1968, so it is 75 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 40 vehicles a day, roughly 2% of them trucks, projected to reach 64 by 2041. The structure is 43 ft (13.1 m) long and 12 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa A764
CrossesChestuee Creek
Location.2 MI West of Polk Co.
RouteCounty Highway 764
Coordinates35.184, -84.71218
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length43 ft (13.1 m)
Longest span39 ft (11.9 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic64 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$284,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A764 over Chestuee Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1968.

What condition is Nfa A764 over Chestuee 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 Nfa A764 over Chestuee Creek carry?

About 40 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A764 over Chestuee Creek?

The structure is 43 ft (13.1 m) long with a longest span of 39 ft (11.9 m) and a deck 12 ft wide.

Who owns Nfa A764 over Chestuee Creek?

It is owned by the County Highway Agency.