US Bridges

Nfa 1938 over Branch

Fair

Williamson County, Tennessee · E. of US 431 · Structure no. 94019380003

Built
1997
28 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
1,985
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1938 over Branch is a concrete continuous 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,985 vehicles a day, roughly 3% of them trucks, projected to reach 2,304 by 2039. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa 1938
CrossesBranch
LocationE. of US 431
RouteCounty Highway 1938
Coordinates35.97745, -86.87891
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,985 (2021)
Projected traffic2,304 by 2039
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 fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. 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 24 ft (7.4 m) long with a longest span of 10 ft (3.1 m).

Who owns Nfa 1938 over Branch?

It is owned by the County Highway Agency.