US Bridges

Nfa 1934 (sa 7505) over Windrow Branch

FairPosted for load

Rutherford County, Tennessee · 3.7 MI SE JCT SR96&SR102 · Structure no. 75019340015

Built
1950
75 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
21 ft
1 main span
Daily traffic
808
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1934 (sa 7505) over Windrow Branch is a steel stringer/multi-beam or girder carrying Nfa 1934 (sa 7505) over Windrow Branch in Rutherford County, Tennessee. It was built in 1950, so it is 75 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 808 vehicles a day, roughly 1% of them trucks, projected to reach 1,293 by 2042. The structure is 21 ft (6.4 m) long and 36 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesNfa 1934 (sa 7505)
CrossesWindrow Branch
Location3.7 MI SE JCT SR96&SR102
RouteCounty Highway 1934
CountyRutherford County
StateTennessee
Coordinates35.79858, -86.55508
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span20 ft (6.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic808 (2021)
Projected traffic1,293 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$190,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1934 (sa 7505) over Windrow Branch built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa 1934 (sa 7505) over Windrow 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 2024.

How much traffic does Nfa 1934 (sa 7505) over Windrow Branch carry?

About 808 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nfa 1934 (sa 7505) over Windrow Branch?

The structure is 21 ft (6.4 m) long with a longest span of 20 ft (6.1 m) and a deck 36 ft wide.

Who owns Nfa 1934 (sa 7505) over Windrow Branch?

It is owned by the County Highway Agency.