US Bridges

Nfa 1764 over Branch

Fair

Benton County, Tennessee · 2.7 MI SE JCT SR1&SR69A · Structure no. 03017640003

Built
1965
60 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
94
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1764 over Branch is a concrete culvert carrying Nfa 1764 over Branch in Benton County, Tennessee. It was built in 1965, so it is 60 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 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 94 vehicles a day, roughly 2% of them trucks, projected to reach 150 by 2042. The structure is 30 ft (9.1 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa 1764
CrossesBranch
Location2.7 MI SE JCT SR1&SR69A
RouteCounty Highway 1764
Coordinates36.02792, -88.0667
Functional classRural Minor Collector

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 inspectionFebruary 2024
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length30 ft (9.1 m)
Longest span28 ft (8.6 m)
Deck width22 ft (6.6 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic94 (2021)
Projected traffic150 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$79,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1764 over Branch built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa 1764 over Branch 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 February 2024.

How much traffic does Nfa 1764 over Branch carry?

About 94 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Nfa 1764 over Branch?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.6 m) and a deck 22 ft wide.

Who owns Nfa 1764 over Branch?

It is owned by the County Highway Agency.