US Bridges

FAS 186 over Parker Branch

Fair

Gibson County, Tennessee · 3.1 Mi.South of Trenton · Structure no. 27S80320009

Built
2012
13 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
2,213
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 186 over Parker Branch is a prestressed concrete box beam or girders - single or spread carrying FAS 186 over Parker Branch in Gibson County, Tennessee. It was built in 2012, so it is 13 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 2,213 vehicles a day, roughly 5% of them trucks, projected to reach 3,541 by 2042. The structure is 90 ft (27.4 m) long and 41 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 186
CrossesParker Branch
Location3.1 Mi.South of Trenton
RouteState Highway 186
Coordinates35.93308, -88.89645
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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length90 ft (27.4 m)
Longest span90 ft (27.4 m)
Deck width41 ft (12.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,213 (2021)
Projected traffic3,541 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 186 over Parker Branch built?

It was built in 2012, making it 13 years old in 2025.

What condition is FAS 186 over Parker 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 Parker Branch carry?

About 2,213 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 186 over Parker Branch?

The structure is 90 ft (27.4 m) long with a longest span of 90 ft (27.4 m) and a deck 41 ft wide.

Who owns FAS 186 over Parker Branch?

It is owned by the State Highway Agency.