US Bridges

Nfa 1397 over Shop Springs Branch

Fair

Wilson County, Tennessee · On Young RD near SR 26 · Structure no. 950A3430001

Built
1930
95 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
273
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1397 over Shop Springs Branch is a steel stringer/multi-beam or girder carrying Nfa 1397 over Shop Springs Branch in Wilson County, Tennessee. It was built in 1930, so it is 95 years old, older 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 273 vehicles a day, roughly 3% of them trucks, projected to reach 320 by 2040. The structure is 31 ft (9.4 m) long and 12 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1397
CrossesShop Springs Branch
LocationOn Young RD near SR 26
RouteCounty Highway 1397
Coordinates36.12852, -86.22005
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.7 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic273 (2021)
Projected traffic320 by 2040
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$209,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1397 over Shop Springs Branch built?

It was built in 1930, making it 95 years old in 2025.

What condition is Nfa 1397 over Shop Springs 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 June 2024.

How much traffic does Nfa 1397 over Shop Springs Branch carry?

About 273 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1397 over Shop Springs Branch?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 12 ft wide.

Who owns Nfa 1397 over Shop Springs Branch?

It is owned by the County Highway Agency.