US Bridges

Nfa 1940 (sa 9435) over Branch

Good

Williamson County, Tennessee · 3.9 MI SE JCT SR252&SR253 · Structure no. 94019400001

Built
2010
15 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
57 ft
3 main spans
Daily traffic
11,779
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1940 (sa 9435) over Branch is a concrete continuous culvert carrying Nfa 1940 (sa 9435) over Branch in Williamson County, Tennessee. It was built in 2010, so it is 15 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 11,779 vehicles a day, roughly 3% of them trucks, projected to reach 8,608 by 2039. The structure is 57 ft (17.4 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa 1940 (sa 9435)
CrossesBranch
Location3.9 MI SE JCT SR252&SR253
RouteCounty Highway 1940
Coordinates35.9524, -86.72736
Functional classUrban 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 protection8 Very GoodNo problems noted.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,779 (2021)
Projected traffic8,608 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 1940 (sa 9435) over Branch built?

It was built in 2010, making it 15 years old in 2025.

What condition is Nfa 1940 (sa 9435) 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 1940 (sa 9435) over Branch carry?

About 11,779 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1940 (sa 9435) over Branch?

The structure is 57 ft (17.4 m) long with a longest span of 18 ft (5.5 m).

Who owns Nfa 1940 (sa 9435) over Branch?

It is owned by the County Highway Agency.