US Bridges

Nfa 1398 over Branch

Good

Wilson County, Tennessee · Simmons Bluff Road · Structure no. 95013980003

Built
1998
27 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
720
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1398 over Branch is a concrete continuous culvert carrying Nfa 1398 over Branch in Wilson 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 720 vehicles a day, roughly 9% of them trucks, projected to reach 768 by 2038. The structure is 22 ft (6.8 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1398
CrossesBranch
LocationSimmons Bluff Road
RouteCounty Highway 1398
Coordinates36.02652, -86.28095
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.8 m)
Longest span10 ft (3.1 m)
Deck width30 ft (9.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic720 (2021)
Projected traffic768 by 2038
Trucks9%
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 1398 over Branch built?

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

What condition is Nfa 1398 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 June 2024.

How much traffic does Nfa 1398 over Branch carry?

About 720 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Nfa 1398 over Branch?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3.1 m) and a deck 30 ft wide.

Who owns Nfa 1398 over Branch?

It is owned by the County Highway Agency.