US Bridges

Nfa A108 over Green River

Good

Wayne County, Tennessee · 2.4 MI NE JCT SR13&SR128 · Structure no. 910A1080001

Built
1994
31 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
196 ft
3 main spans
Daily traffic
120
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A108 over Green River is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A108 over Green River in Wayne County, Tennessee. It was built in 1994, so it is 31 years old, younger 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 120 vehicles a day, roughly 15% of them trucks, projected to reach 192 by 2042. The structure is 196 ft (59.6 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A108
CrossesGreen River
Location2.4 MI NE JCT SR13&SR128
RouteCounty Highway 108
Coordinates35.43083, -87.7734
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length196 ft (59.6 m)
Longest span49 ft (15 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2020)
Projected traffic192 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A108 over Green River built?

It was built in 1994, making it 31 years old in 2025.

What condition is Nfa A108 over Green River 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 February 2025.

How much traffic does Nfa A108 over Green River carry?

About 120 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Nfa A108 over Green River?

The structure is 196 ft (59.6 m) long with a longest span of 49 ft (15 m) and a deck 24 ft wide.

Who owns Nfa A108 over Green River?

It is owned by the County Highway Agency.