US Bridges

Nfa C122 over Brown Creek

Good

Blount County, Tennessee · Holland Springs Road · Structure no. 050C1220001

Built
2007
18 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
35 ft
3 main spans
Daily traffic
1,990
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa C122 over Brown Creek is a concrete culvert carrying Nfa C122 over Brown Creek in Blount County, Tennessee. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,990 vehicles a day, roughly 1% of them trucks, projected to reach 3,184 by 2042. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa C122
CrossesBrown Creek
LocationHolland Springs Road
RouteCity Street 122
Coordinates35.74409, -83.94865
Functional classUrban Local

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.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,990 (2020)
Projected traffic3,184 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa C122 over Brown Creek built?

It was built in 2007, making it 18 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 December 2023.

How much traffic does Nfa C122 over Brown Creek carry?

About 1,990 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa C122 over Brown Creek?

The structure is 35 ft (10.7 m) long with a longest span of 10 ft (3 m).

Who owns Nfa C122 over Brown Creek?

It is owned by the City or Municipal Highway Agency.