US Bridges

Nfa A512 over Fillauers Branch

Good

Bradley County, Tennessee · Near Jct. of SR-74 · Structure no. 060A5120001

Built
1990
35 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
740
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A512 over Fillauers Branch is a concrete continuous culvert carrying Nfa A512 over Fillauers Branch in Bradley 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 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 740 vehicles a day, roughly 2% of them trucks, projected to reach 1,184 by 2041. The structure is 26 ft (7.9 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa A512
CrossesFillauers Branch
LocationNear Jct. of SR-74
RouteCity Street 512
Coordinates35.18751, -84.85287
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic740 (2020)
Projected traffic1,184 by 2041
Trucks2%
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 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 A512 over Fillauers Branch built?

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

What condition is Nfa A512 over Fillauers Branch 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 October 2023.

How much traffic does Nfa A512 over Fillauers Branch carry?

About 740 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A512 over Fillauers Branch?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 33 ft wide.

Who owns Nfa A512 over Fillauers Branch?

It is owned by the City or Municipal Highway Agency.