US Bridges

Nfa A589 over Buck Branch

Good

Lawrence County, Tennessee · S. Popular St-Iron City · Structure no. 500A5890001

Built
1950
75 years old
Condition
Good
inspected May 2023
Type
Tee Beam
Concrete
Length
23 ft
1 main span
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A589 over Buck Branch is a concrete tee beam carrying Nfa A589 over Buck Branch in Lawrence County, Tennessee. It was built in 1950, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2041. The structure is 23 ft (7 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa A589
CrossesBuck Branch
LocationS. Popular St-Iron City
RouteCity Street 589
Coordinates35.0201, -87.58328
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width27 ft (8.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic80 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A589 over Buck Branch built?

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

What condition is Nfa A589 over Buck Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Nfa A589 over Buck Branch carry?

About 50 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A589 over Buck Branch?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 27 ft wide.

Who owns Nfa A589 over Buck Branch?

It is owned by the County Highway Agency.