US Bridges

Nfa D125 (sa 7515) over Lytle Creek

Fair

Rutherford County, Tennessee · 2.3 MI SE JCT SR1&SR2 · Structure no. 75020130001

Built
1940
85 years old, rebuilt 1977
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
5,961
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa D125 (sa 7515) over Lytle Creek is a steel stringer/multi-beam or girder carrying Nfa D125 (sa 7515) over Lytle Creek in Rutherford County, Tennessee. It was built in 1940 and reconstructed in 1977, so it is 85 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 5,961 vehicles a day, roughly 13% of them trucks, projected to reach 9,538 by 2042. The structure is 42 ft (12.8 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa D125 (sa 7515)
CrossesLytle Creek
Location2.3 MI SE JCT SR1&SR2
RouteCounty Highway 0D125
Coordinates35.80576, -86.3707
Functional classUrban Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length42 ft (12.8 m)
Longest span39 ft (11.9 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,961 (2021)
Projected traffic9,538 by 2042
Trucks13%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$248,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa D125 (sa 7515) over Lytle Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1977.

What condition is Nfa D125 (sa 7515) over Lytle 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 D125 (sa 7515) over Lytle Creek carry?

About 5,961 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is Nfa D125 (sa 7515) over Lytle Creek?

The structure is 42 ft (12.8 m) long with a longest span of 39 ft (11.9 m) and a deck 31 ft wide.

Who owns Nfa D125 (sa 7515) over Lytle Creek?

It is owned by the County Highway Agency.