US Bridges

Nfa A201 over Oakley Branch

Fair

Dickson County, Tennessee · 0.1 M. W. SR250. · Structure no. 220A2730001

Built
1990
35 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
150
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A201 over Oakley Branch is a concrete continuous culvert carrying Nfa A201 over Oakley Branch in Dickson County, Tennessee. It was built in 1990, so it is 35 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 150 vehicles a day, roughly 2% of them trucks, projected to reach 240 by 2040. The structure is 22 ft (6.7 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa A201
CrossesOakley Branch
Location0.1 M. W. SR250.
RouteCounty Highway 201
CountyDickson County
StateTennessee
Coordinates36.18072, -87.16835
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2020)
Projected traffic240 by 2040
Trucks2%
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$170,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A201 over Oakley Branch built?

It was built in 1990, making it 35 years old in 2025.

What condition is Nfa A201 over Oakley 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 June 2024.

How much traffic does Nfa A201 over Oakley Branch carry?

About 150 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A201 over Oakley Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Nfa A201 over Oakley Branch?

It is owned by the County Highway Agency.