US Bridges

FAP 1 over Drainage Ditch

Fair

Shelby County, Tennessee · 1.1 M E of SR177 · Structure no. 79SR0010019

Built
1929
96 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
14,728
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 1 over Drainage Ditch is a concrete continuous culvert carrying FAP 1 over Drainage Ditch in Shelby County, Tennessee. It was built in 1929, so it is 96 years old, older 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 5 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 14,728 vehicles a day, roughly 9% of them trucks, projected to reach 23,565 by 2042. The structure is 38 ft (11.6 m) long and 65 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesFAP 1
CrossesDrainage Ditch
Location1.1 M E of SR177
RouteU.S. Route 70
CountyShelby County
StateTennessee
Coordinates35.22019, -89.81934
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span11 ft (3.4 m)
Deck width65 ft (19.7 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,728 (2021)
Projected traffic23,565 by 2042
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$509,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 1 over Drainage Ditch built?

It was built in 1929, making it 96 years old in 2025.

What condition is FAP 1 over Drainage Ditch 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 FAP 1 over Drainage Ditch carry?

About 14,728 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 1 over Drainage Ditch?

The structure is 38 ft (11.6 m) long with a longest span of 11 ft (3.4 m) and a deck 65 ft wide.

Who owns FAP 1 over Drainage Ditch?

It is owned by the State Highway Agency.