US Bridges

Nfa 1397 over Shop Springs Branch

FairPosted for load

Wilson County, Tennessee · 0.4 MI East of SR266 · Structure no. 950A3430003

Built
1970
55 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
130 ft
4 main spans
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 1970, so it is 55 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 273 vehicles a day, roughly 3% of them trucks, projected to reach 320 by 2041. The structure is 130 ft (39.6 m) long and 19 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1397
CrossesShop Springs Branch
Location0.4 MI East of SR266
RouteCounty Highway 1397
CountyWilson County
StateTennessee
Coordinates36.13083, -86.24232
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating13.9 US tons
Inventory rating10.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 10
Structure length130 ft (39.6 m)
Longest span40 ft (12.2 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic273 (2021)
Projected traffic320 by 2041
Trucks3%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1397 over Shop Springs Branch built?

It was built in 1970, making it 55 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 130 ft (39.6 m) long with a longest span of 40 ft (12.2 m) and a deck 19 ft wide.

Who owns Nfa 1397 over Shop Springs Branch?

It is owned by the County Highway Agency.