US Bridges

FAP 20 over SR 20-WB / Hogwallow RD

Good

Dyer County, Tennessee · 3.0 MI NE JCT SR 3&SR 104 · Structure no. 23SR0200028

Built
1985
40 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
160 ft
3 main spans
Daily traffic
11,746
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 20 over SR 20-WB / Hogwallow RD is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 20 over SR 20-WB / Hogwallow RD in Dyer County, Tennessee. It was built in 1985, so it is 40 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 11,746 vehicles a day, roughly 8% of them trucks, projected to reach 18,794 by 2042. The structure is 160 ft (48.8 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAP 20
CrossesSR 20-WB / Hogwallow RD
Location3.0 MI NE JCT SR 3&SR 104
RouteU.S. Route 412
Coordinates36.04911, -89.33491
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span63 ft (19.2 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,746 (2021)
Projected traffic18,794 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 20 over SR 20-WB / Hogwallow RD built?

It was built in 1985, making it 40 years old in 2025.

What condition is FAP 20 over SR 20-WB / Hogwallow RD 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 October 2023.

How much traffic does FAP 20 over SR 20-WB / Hogwallow RD carry?

About 11,746 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is FAP 20 over SR 20-WB / Hogwallow RD?

The structure is 160 ft (48.8 m) long with a longest span of 63 ft (19.2 m) and a deck 50 ft wide.

Who owns FAP 20 over SR 20-WB / Hogwallow RD?

It is owned by the State Highway Agency.