US Bridges

Nfa E179 over Savannah Creek

Good

Hamilton County, Tennessee · 0.9 MI South of SR-58 · Structure no. 330E1790003

Built
2001
24 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
4,950
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa E179 over Savannah Creek is a concrete continuous culvert carrying Nfa E179 over Savannah Creek in Hamilton County, Tennessee. It was built in 2001, so it is 24 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 4,950 vehicles a day, roughly 2% of them trucks, projected to reach 7,920 by 2040. The structure is 29 ft (8.8 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa E179
CrossesSavannah Creek
Location0.9 MI South of SR-58
RouteCounty Highway 179
CountyHamilton County
StateTennessee
Coordinates35.2249, -85.01638
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span12 ft (3.7 m)
Deck width36 ft (10.9 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,950 (2020)
Projected traffic7,920 by 2040
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$95,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa E179 over Savannah Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Nfa E179 over Savannah 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 February 2024.

How much traffic does Nfa E179 over Savannah Creek carry?

About 4,950 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa E179 over Savannah Creek?

The structure is 29 ft (8.8 m) long with a longest span of 12 ft (3.7 m) and a deck 36 ft wide.

Who owns Nfa E179 over Savannah Creek?

It is owned by the County Highway Agency.