US Bridges

Nfa A491 over Green River

Fair

Wayne County, Tennessee · In City of Waynesboro · Structure no. 910A4910001

Built
1985
40 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
123 ft
3 main spans
Daily traffic
2,130
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A491 over Green River is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A491 over Green River in Wayne County, Tennessee. It was built in 1985, so it is 40 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 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 2,130 vehicles a day, roughly 2% of them trucks, projected to reach 3,408 by 2042. The structure is 123 ft (37.4 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A491
CrossesGreen River
LocationIn City of Waynesboro
RouteCity Street 491
CountyWayne County
StateTennessee
Coordinates35.3079, -87.75948
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length123 ft (37.4 m)
Longest span41 ft (12.6 m)
Deck width28 ft (8.4 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,130 (2020)
Projected traffic3,408 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$562,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A491 over Green River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa A491 over Green 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 January 2025.

How much traffic does Nfa A491 over Green River carry?

About 2,130 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A491 over Green River?

The structure is 123 ft (37.4 m) long with a longest span of 41 ft (12.6 m) and a deck 28 ft wide.

Who owns Nfa A491 over Green River?

It is owned by the City or Municipal Highway Agency.