US Bridges

Nfa A325 over Milan Branch

Fair

Hickman County, Tennessee · 5 M SW of Centerville · Structure no. 410A3060005

Built
1979
46 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
130
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A325 over Milan Branch is a concrete continuous culvert carrying Nfa A325 over Milan Branch in Hickman County, Tennessee. It was built in 1979, so it is 46 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 130 vehicles a day, roughly 2% of them trucks, projected to reach 208 by 2042. The structure is 45 ft (13.7 m) long and 20 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesNfa A325
CrossesMilan Branch
Location5 M SW of Centerville
RouteCounty Highway 325
Coordinates35.73924, -87.53819
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 inspectionOctober 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length45 ft (13.7 m)
Longest span12 ft (3.7 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic208 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$178,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A325 over Milan Branch built?

It was built in 1979, making it 46 years old in 2025.

What condition is Nfa A325 over Milan Branch 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 October 2023.

How much traffic does Nfa A325 over Milan Branch carry?

About 130 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A325 over Milan Branch?

The structure is 45 ft (13.7 m) long with a longest span of 12 ft (3.7 m) and a deck 20 ft wide.

Who owns Nfa A325 over Milan Branch?

It is owned by the County Highway Agency.