US Bridges

Mabry Road over Dry Fork Creek

Fair

Montgomery County, Tennessee · 540-529 · Structure no. DAPFORCAT000041

Built
1980
45 years old
Condition
Fair
inspected November 2024
Type
Culvert
Steel
Length
136 ft
8 main spans
Daily traffic
300
2022 count
Owner
Federal
Army

About this bridge

Mabry Road over Dry Fork Creek is a steel culvert carrying Mabry Road over Dry Fork Creek in Montgomery County, Tennessee. It was built in 1980, so it is 45 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 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 300 vehicles a day, roughly 40% of them trucks, projected to reach 300 by 2046. The structure is 136 ft (41.5 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMabry Road
CrossesDry Fork Creek
Location540-529
Coordinates36.62225, -87.51304
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating101.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans8
Design loadUnknown
Structure length136 ft (41.5 m)
Longest span14 ft (4.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic300 by 2046
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mabry Road over Dry Fork Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Mabry Road over Dry Fork Creek 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 November 2024.

How much traffic does Mabry Road over Dry Fork Creek carry?

About 300 vehicles per day (2022 count), of which roughly 40% are trucks.

How long is Mabry Road over Dry Fork Creek?

The structure is 136 ft (41.5 m) long with a longest span of 14 ft (4.4 m).

Who owns Mabry Road over Dry Fork Creek?

It is owned by the Army.