US Bridges

Nfa 2201 (sa 3327) over Wilkerson Branch

Fair

Hamilton County, Tennessee · In City of Collegedale · Structure no. 33022010001

Built
1975
50 years old
Condition
Fair
inspected February 2024
Type
Culvert
Steel
Length
35 ft
2 main spans
Daily traffic
7,804
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa 2201 (sa 3327) over Wilkerson Branch is a steel culvert carrying Nfa 2201 (sa 3327) over Wilkerson Branch in Hamilton County, Tennessee. It was built in 1975, so it is 50 years old, older 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 7,804 vehicles a day, roughly 4% of them trucks, projected to reach 12,486 by 2042. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa 2201 (sa 3327)
CrossesWilkerson Branch
LocationIn City of Collegedale
RouteCity Street 2201
Coordinates35.05136, -85.0483
Functional classUrban Minor Arterial

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 inspectionFebruary 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 alignment6: Equal to present minimum criteria
Operating rating50.7 US tons
Inventory rating39.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 15
Structure length35 ft (10.7 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,804 (2021)
Projected traffic12,486 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 2201 (sa 3327) over Wilkerson Branch built?

It was built in 1975, making it 50 years old in 2025.

What condition is Nfa 2201 (sa 3327) over Wilkerson 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 February 2024.

How much traffic does Nfa 2201 (sa 3327) over Wilkerson Branch carry?

About 7,804 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Nfa 2201 (sa 3327) over Wilkerson Branch?

The structure is 35 ft (10.7 m) long with a longest span of 13 ft (4 m).

Who owns Nfa 2201 (sa 3327) over Wilkerson Branch?

It is owned by the City or Municipal Highway Agency.