US Bridges

Nfa A435 over Liberty Branch

Fair

Sumner County, Tennessee · 3.1 MI NW JCT SR25&SR174 · Structure no. 830A4350003

Built
1970
55 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
400
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A435 over Liberty Branch is a steel stringer/multi-beam or girder carrying Nfa A435 over Liberty Branch in Sumner County, Tennessee. It was built in 1970, so it is 55 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 400 vehicles a day, roughly 14% of them trucks, projected to reach 640 by 2041. The structure is 38 ft (11.6 m) long and 22 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesNfa A435
CrossesLiberty Branch
Location3.1 MI NW JCT SR25&SR174
RouteCounty Highway 0A435
CountySumner County
StateTennessee
Coordinates36.41145, -86.5093
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.6 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span37 ft (11.3 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2020)
Projected traffic640 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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$143,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A435 over Liberty Branch built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa A435 over Liberty 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 January 2025.

How much traffic does Nfa A435 over Liberty Branch carry?

About 400 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is Nfa A435 over Liberty Branch?

The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.3 m) and a deck 22 ft wide.

Who owns Nfa A435 over Liberty Branch?

It is owned by the County Highway Agency.