US Bridges

Nfa E506 over Friar Branch

Fair

Hamilton County, Tennessee · .6 MI West of I75 · Structure no. 330E5060001

Built
1963
62 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
6,006
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa E506 over Friar Branch is a concrete continuous culvert carrying Nfa E506 over Friar Branch in Hamilton County, Tennessee. It was built in 1963, so it is 62 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 6 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 6,006 vehicles a day, roughly 4% of them trucks, projected to reach 11,600 by 2041. The structure is 23 ft (6.9 m) long and 95 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesNfa E506
CrossesFriar Branch
Location.6 MI West of I75
RouteCity Street 3604
CountyHamilton County
StateTennessee
Coordinates35.05178, -85.14688
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width95 ft (29 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,006 (2021)
Projected traffic11,600 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 E506 over Friar Branch built?

It was built in 1963, making it 62 years old in 2025.

What condition is Nfa E506 over Friar 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 March 2024.

How much traffic does Nfa E506 over Friar Branch carry?

About 6,006 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Nfa E506 over Friar Branch?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m) and a deck 95 ft wide.

Who owns Nfa E506 over Friar Branch?

It is owned by the City or Municipal Highway Agency.