US Bridges

Nfa 1792 over Branch

Fair

Perry County, Tennessee · Brush Creek Rd-Perry CO · Structure no. 68017920003

Built
1996
29 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
84
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1792 over Branch is a concrete culvert carrying Nfa 1792 over Branch in Perry County, Tennessee. It was built in 1996, so it is 29 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 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 84 vehicles a day, roughly 2% of them trucks, projected to reach 181 by 2041. The structure is 21 ft (6.4 m) long and 42 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesNfa 1792
CrossesBranch
LocationBrush Creek Rd-Perry CO
RouteCounty Highway 1792
CountyPerry County
StateTennessee
Coordinates35.65218, -87.76667
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 protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span12 ft (3.7 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84 (2021)
Projected traffic181 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1792 over Branch built?

It was built in 1996, making it 29 years old in 2025.

What condition is Nfa 1792 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 May 2023.

How much traffic does Nfa 1792 over Branch carry?

About 84 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Nfa 1792 over Branch?

The structure is 21 ft (6.4 m) long with a longest span of 12 ft (3.7 m) and a deck 42 ft wide.

Who owns Nfa 1792 over Branch?

It is owned by the County Highway Agency.