US Bridges

Nfa C122 over Brown Creek

Good

Blount County, Tennessee · Wilcox Street · Structure no. 050B8480001

Built
1999
26 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
37 ft
6 main spans
Daily traffic
6,080
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa C122 over Brown Creek is a concrete continuous culvert carrying Nfa C122 over Brown Creek in Blount County, Tennessee. It was built in 1999, so it is 26 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,080 vehicles a day, roughly 1% of them trucks, projected to reach 7,992 by 2042. The structure is 37 ft (11.3 m) long and 38 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa C122
CrossesBrown Creek
LocationWilcox Street
RouteCity Street 3810
CountyBlount County
StateTennessee
Coordinates35.75755, -83.94704
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span5 ft (1.5 m)
Deck width38 ft (11.6 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,080 (2021)
Projected traffic7,992 by 2042
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$89,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa C122 over Brown Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Nfa C122 over Brown Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Nfa C122 over Brown Creek carry?

About 6,080 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nfa C122 over Brown Creek?

The structure is 37 ft (11.3 m) long with a longest span of 5 ft (1.5 m) and a deck 38 ft wide.

Who owns Nfa C122 over Brown Creek?

It is owned by the City or Municipal Highway Agency.