US Bridges

FAS 438 over Cow Hollow Branch

Poor

Hickman County, Tennessee · In Coble City Limits · Structure no. 41SR0500005

Built
1983
42 years old
Condition
Poor
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
98 ft
3 main spans
Daily traffic
722
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 438 over Cow Hollow Branch is a prestressed concrete continuous box beam or girders - single or spread carrying FAS 438 over Cow Hollow Branch in Hickman County, Tennessee. It was built in 1983, so it is 42 years old, younger 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 722 vehicles a day, roughly 4% of them trucks, projected to reach 1,155 by 2042. The structure is 98 ft (29.9 m) long and 36 ft wide. If it were closed, the detour would be 60.9 mi (98 km).

CarriesFAS 438
CrossesCow Hollow Branch
LocationIn Coble City Limits
RouteState Highway 438
Coordinates35.78328, -87.63084
Functional classRural Major Collector

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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating31.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span32 ft (9.8 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic722 (2021)
Projected traffic1,155 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.9 mi (98 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 438 over Cow Hollow Branch built?

It was built in 1983, making it 42 years old in 2025.

What condition is FAS 438 over Cow Hollow Branch 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 September 2024.

How much traffic does FAS 438 over Cow Hollow Branch carry?

About 722 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAS 438 over Cow Hollow Branch?

The structure is 98 ft (29.9 m) long with a longest span of 32 ft (9.8 m) and a deck 36 ft wide.

Who owns FAS 438 over Cow Hollow Branch?

It is owned by the State Highway Agency.