US Bridges

Nfa E179 over Wolfe Branch

Good

Hamilton County, Tennessee · 4 MI East of SR 58 · Structure no. 330E1790001

Built
1987
38 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
510
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa E179 over Wolfe Branch is a concrete continuous culvert carrying Nfa E179 over Wolfe Branch in Hamilton County, Tennessee. It was built in 1987, so it is 38 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 510 vehicles a day, roughly 2% of them trucks, projected to reach 816 by 2038. The structure is 22 ft (6.7 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa E179
CrossesWolfe Branch
Location4 MI East of SR 58
RouteCounty Highway 179
Coordinates35.18178, -85.04321
Functional classRural 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.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating96.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2020)
Projected traffic816 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 E179 over Wolfe Branch built?

It was built in 1987, making it 38 years old in 2025.

What condition is Nfa E179 over Wolfe 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 February 2024.

How much traffic does Nfa E179 over Wolfe Branch carry?

About 510 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa E179 over Wolfe Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Nfa E179 over Wolfe Branch?

It is owned by the County Highway Agency.