US Bridges

Nfa B913 over Branch

Good

Hamilton County, Tennessee · Near Georgia State Line · Structure no. 330B9130001

Built
1998
27 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
250
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B913 over Branch is a concrete continuous culvert carrying Nfa B913 over Branch in Hamilton County, Tennessee. It was built in 1998, so it is 27 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 250 vehicles a day, roughly 7% of them trucks, projected to reach 400 by 2040. The structure is 32 ft (9.9 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa B913
CrossesBranch
LocationNear Georgia State Line
RouteCity Street 913
Coordinates34.9854, -85.2455
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
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 adequacy6: Equal to 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
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length32 ft (9.9 m)
Longest span13 ft (4 m)
Deck width30 ft (9.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic400 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 B913 over Branch built?

It was built in 1998, making it 27 years old in 2025.

What condition is Nfa B913 over 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 March 2024.

How much traffic does Nfa B913 over Branch carry?

About 250 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Nfa B913 over Branch?

The structure is 32 ft (9.9 m) long with a longest span of 13 ft (4 m) and a deck 30 ft wide.

Who owns Nfa B913 over Branch?

It is owned by the City or Municipal Highway Agency.