US Bridges

Nfa 1424 (sa 7518) over Big Springs Creek

Fair

Rutherford County, Tennessee · 5.5 MI NW JCT I24&COFFEE · Structure no. 75S63140001

Built
1958
67 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
87 ft
3 main spans
Daily traffic
1,077
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1424 (sa 7518) over Big Springs Creek is a concrete tee beam carrying Nfa 1424 (sa 7518) over Big Springs Creek in Rutherford County, Tennessee. It was built in 1958, so it is 67 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 1,077 vehicles a day, roughly 1% of them trucks, projected to reach 1,723 by 2042. The structure is 87 ft (26.5 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1424 (sa 7518)
CrossesBig Springs Creek
Location5.5 MI NW JCT I24&COFFEE
RouteCounty Highway 1424
CountyRutherford County
StateTennessee
Coordinates35.71106, -86.27161
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating40.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length87 ft (26.5 m)
Longest span27 ft (8.2 m)
Deck width33 ft (10.1 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,077 (2021)
Projected traffic1,723 by 2042
Trucks1%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$188,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1424 (sa 7518) over Big Springs Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Nfa 1424 (sa 7518) over Big Springs Creek 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 August 2024.

How much traffic does Nfa 1424 (sa 7518) over Big Springs Creek carry?

About 1,077 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nfa 1424 (sa 7518) over Big Springs Creek?

The structure is 87 ft (26.5 m) long with a longest span of 27 ft (8.2 m) and a deck 33 ft wide.

Who owns Nfa 1424 (sa 7518) over Big Springs Creek?

It is owned by the County Highway Agency.