US Bridges

FAP 22 over Sam Bishop Ditch

Poor

McNairy County, Tennessee · Near Milledgeville · Structure no. 55SR0220011

Built
1958
67 years old
Condition
Poor
inspected July 2024
Type
Tee Beam
Concrete
Length
86 ft
3 main spans
Daily traffic
5,579
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 22 over Sam Bishop Ditch is a concrete tee beam carrying FAP 22 over Sam Bishop Ditch in McNairy County, Tennessee. It was built in 1958, so it is 67 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 5,579 vehicles a day, roughly 5% of them trucks, projected to reach 7,600 by 2040. The structure is 86 ft (26.1 m) long and 35 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesFAP 22
CrossesSam Bishop Ditch
LocationNear Milledgeville
RouteState Highway 22
CountyMcNairy County
StateTennessee
Coordinates35.35906, -88.36689
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length86 ft (26.1 m)
Longest span29 ft (8.7 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,579 (2021)
Projected traffic7,600 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$235,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 22 over Sam Bishop Ditch built?

It was built in 1958, making it 67 years old in 2025.

What condition is FAP 22 over Sam Bishop Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does FAP 22 over Sam Bishop Ditch carry?

About 5,579 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 22 over Sam Bishop Ditch?

The structure is 86 ft (26.1 m) long with a longest span of 29 ft (8.7 m) and a deck 35 ft wide.

Who owns FAP 22 over Sam Bishop Ditch?

It is owned by the State Highway Agency.