US Bridges

FAP 18 over Overflow

Fair

Hardeman County, Tennessee · Near Bolivar Tenn. · Structure no. 35SR0180009

Built
1985
40 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
447 ft
8 main spans
Daily traffic
6,835
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 18 over Overflow is a prestressed concrete continuous box beam or girders - single or spread carrying FAP 18 over Overflow in Hardeman 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 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 6,835 vehicles a day, roughly 9% of them trucks, projected to reach 11,200 by 2040. The structure is 447 ft (136.3 m) long and 46 ft wide. If it were closed, the detour would be 67.1 mi (108 km).

Location

Open in Google Maps
CarriesFAP 18
CrossesOverflow
LocationNear Bolivar Tenn.
RouteState Highway 18
CountyHardeman County
StateTennessee
Coordinates35.27978, -88.97344
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length447 ft (136.3 m)
Longest span56 ft (17 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,835 (2021)
Projected traffic11,200 by 2040
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed67.1 mi (108 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 FAP 18 over Overflow built?

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

What condition is FAP 18 over Overflow 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 July 2024.

How much traffic does FAP 18 over Overflow carry?

About 6,835 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 18 over Overflow?

The structure is 447 ft (136.3 m) long with a longest span of 56 ft (17 m) and a deck 46 ft wide.

Who owns FAP 18 over Overflow?

It is owned by the State Highway Agency.