US Bridges

Nfa A396 over Byrums Creek

Good

Anderson County, Tennessee · 1.4 M NE of US441-SR170 J · Structure no. 010A3960001

Built
1960
65 years old, rebuilt 2008
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
200
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A396 over Byrums Creek is a prestressed concrete stringer/multi-beam or girder carrying Nfa A396 over Byrums Creek in Anderson County, Tennessee. It was built in 1960 and reconstructed in 2008, so it is 65 years old, older 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 200 vehicles a day, roughly 2% of them trucks, projected to reach 320 by 2041. The structure is 56 ft (17.1 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A396
CrossesByrums Creek
Location1.4 M NE of US441-SR170 J
RouteCounty Highway 396
Coordinates36.16888, -84.01885
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span53 ft (16.2 m)
Deck width24 ft (7.4 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic320 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 A396 over Byrums Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2008.

What condition is Nfa A396 over Byrums Creek 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 2023.

How much traffic does Nfa A396 over Byrums Creek carry?

About 200 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A396 over Byrums Creek?

The structure is 56 ft (17.1 m) long with a longest span of 53 ft (16.2 m) and a deck 24 ft wide.

Who owns Nfa A396 over Byrums Creek?

It is owned by the County Highway Agency.