US Bridges

Nfa 1003 (sa 9411) over Branch

Good

Williamson County, Tennessee · 4.3 MI W JCT SR11&SR16 · Structure no. 94S61830009

Built
2008
17 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
4,356
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1003 (sa 9411) over Branch is a concrete culvert carrying Nfa 1003 (sa 9411) over Branch in Williamson County, Tennessee. It was built in 2008, so it is 17 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 4,356 vehicles a day, roughly 5% of them trucks, projected to reach 9,184 by 2039. The structure is 21 ft (6.4 m) long and 56 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 1003 (sa 9411)
CrossesBranch
Location4.3 MI W JCT SR11&SR16
RouteCounty Highway 1003
CountyWilliamson County
StateTennessee
Coordinates35.82077, -86.7379
Functional classRural Major Collector

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 inspectionApril 2023
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 alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span20 ft (6.1 m)
Deck width56 ft (17 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,356 (2021)
Projected traffic9,184 by 2039
Trucks5%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1003 (sa 9411) over Branch built?

It was built in 2008, making it 17 years old in 2025.

What condition is Nfa 1003 (sa 9411) 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 April 2023.

How much traffic does Nfa 1003 (sa 9411) over Branch carry?

About 4,356 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Nfa 1003 (sa 9411) over Branch?

The structure is 21 ft (6.4 m) long with a longest span of 20 ft (6.1 m) and a deck 56 ft wide.

Who owns Nfa 1003 (sa 9411) over Branch?

It is owned by the County Highway Agency.