US Bridges

Nfa 1777 over Buffalo River

Fair

Perry County, Tennessee · 0.5 M. W. Lobelville. · Structure no. 68017770005

Built
1962
63 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
714 ft
3 main spans
Daily traffic
731
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1777 over Buffalo River is a steel continuous stringer/multi-beam or girder carrying Nfa 1777 over Buffalo River in Perry County, Tennessee. It was built in 1962, so it is 63 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 731 vehicles a day, roughly 3% of them trucks, projected to reach 1,170 by 2042. The structure is 714 ft (217.7 m) long and 29 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesNfa 1777
CrossesBuffalo River
Location0.5 M. W. Lobelville.
RouteCounty Highway 1777
CountyPerry County
StateTennessee
Coordinates35.7606, -87.77465
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating28.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+8 approach)
Design loadH 15
Structure length714 ft (217.7 m)
Longest span95 ft (29 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic731 (2021)
Projected traffic1,170 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1777 over Buffalo River built?

It was built in 1962, making it 63 years old in 2025.

What condition is Nfa 1777 over Buffalo River 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 2023.

How much traffic does Nfa 1777 over Buffalo River carry?

About 731 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1777 over Buffalo River?

The structure is 714 ft (217.7 m) long with a longest span of 95 ft (29 m) and a deck 29 ft wide.

Who owns Nfa 1777 over Buffalo River?

It is owned by the County Highway Agency.