US Bridges

Nfa A755 over Milam Branch

Fair

Hickman County, Tennessee · 3 M NW SR 48 & SR 100 · Structure no. 410A7550001

Built
2009
16 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
39 ft
2 main spans
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A755 over Milam Branch is a concrete continuous culvert carrying Nfa A755 over Milam Branch in Hickman County, Tennessee. It was built in 2009, so it is 16 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 20 vehicles a day, roughly 1% of them trucks, projected to reach 32 by 2039. The structure is 39 ft (12 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa A755
CrossesMilam Branch
Location3 M NW SR 48 & SR 100
RouteCounty Highway 755
CountyHickman County
StateTennessee
Coordinates35.72882, -87.54877
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length39 ft (12 m)
Longest span18 ft (5.5 m)
Deck width27 ft (8.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic32 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A755 over Milam Branch built?

It was built in 2009, making it 16 years old in 2025.

What condition is Nfa A755 over Milam 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 A755 over Milam Branch carry?

About 20 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A755 over Milam Branch?

The structure is 39 ft (12 m) long with a longest span of 18 ft (5.5 m) and a deck 27 ft wide.

Who owns Nfa A755 over Milam Branch?

It is owned by the County Highway Agency.