US Bridges

Nfa C779 over Stringers Branch

Good

Hamilton County, Tennessee · In City of Red Bank · Structure no. 330C7790001

Built
1960
65 years old
Condition
Good
inspected February 2024
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
280
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa C779 over Stringers Branch is a concrete slab carrying Nfa C779 over Stringers Branch in Hamilton County, Tennessee. It was built in 1960, so it is 65 years old, older 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 280 vehicles a day, roughly 2% of them trucks, projected to reach 448 by 2040. The structure is 33 ft (10 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa C779
CrossesStringers Branch
LocationIn City of Red Bank
RouteCity Street 779
CountyHamilton County
StateTennessee
Coordinates35.0868, -85.31347
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length33 ft (10 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2020)
Projected traffic448 by 2040
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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$103,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa C779 over Stringers Branch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa C779 over Stringers 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 C779 over Stringers Branch carry?

About 280 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa C779 over Stringers Branch?

The structure is 33 ft (10 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Nfa C779 over Stringers Branch?

It is owned by the City or Municipal Highway Agency.