US Bridges

FAS 186 over Wall Smith Branch

Fair

Gibson County, Tennessee · 5 Mi.South of Trenton · Structure no. 27S80320005

Built
2004
21 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
1,423
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 186 over Wall Smith Branch is a prestressed concrete box beam or girders - multiple carrying FAS 186 over Wall Smith Branch in Gibson County, Tennessee. It was built in 2004, so it is 21 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 1,423 vehicles a day, roughly 5% of them trucks, projected to reach 2,277 by 2042. The structure is 69 ft (21 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 186
CrossesWall Smith Branch
Location5 Mi.South of Trenton
RouteState Highway 186
Coordinates35.92086, -88.8707
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating57.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length69 ft (21 m)
Longest span69 ft (21 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,423 (2021)
Projected traffic2,277 by 2042
Trucks5%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 186 over Wall Smith Branch built?

It was built in 2004, making it 21 years old in 2025.

What condition is FAS 186 over Wall Smith 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 June 2023.

How much traffic does FAS 186 over Wall Smith Branch carry?

About 1,423 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 186 over Wall Smith Branch?

The structure is 69 ft (21 m) long with a longest span of 69 ft (21 m) and a deck 38 ft wide.

Who owns FAS 186 over Wall Smith Branch?

It is owned by the State Highway Agency.