US Bridges

Nfa 1938 over Branch

Good

Williamson County, Tennessee · E. of US 431 · Structure no. 94019380001

Built
1997
28 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
31 ft
1 main span
Daily traffic
1,985
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1938 over Branch is a concrete culvert carrying Nfa 1938 over Branch in Williamson County, Tennessee. It was built in 1997, so it is 28 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 1,985 vehicles a day, roughly 3% of them trucks, projected to reach 2,662 by 2041. The structure is 31 ft (9.5 m) long and 39 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesNfa 1938
CrossesBranch
LocationE. of US 431
RouteCounty Highway 1938
CountyWilliamson County
StateTennessee
Coordinates35.97537, -86.871
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.5 m)
Longest span22 ft (6.6 m)
Deck width39 ft (11.8 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,985 (2021)
Projected traffic2,662 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 1938 over Branch built?

It was built in 1997, making it 28 years old in 2025.

What condition is Nfa 1938 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 July 2023.

How much traffic does Nfa 1938 over Branch carry?

About 1,985 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1938 over Branch?

The structure is 31 ft (9.5 m) long with a longest span of 22 ft (6.6 m) and a deck 39 ft wide.

Who owns Nfa 1938 over Branch?

It is owned by the County Highway Agency.