US Bridges

Nfa A351 over Lee Springs Branch

Good

Rutherford County, Tennessee · 3.1 MI SE JCT I24&SR10 · Structure no. 750A3510003

Built
1990
35 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
3,500
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A351 over Lee Springs Branch is a concrete continuous culvert carrying Nfa A351 over Lee Springs Branch in Rutherford County, Tennessee. It was built in 1990, so it is 35 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,500 vehicles a day, roughly 1% of them trucks, projected to reach 5,600 by 2040. The structure is 43 ft (13.1 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A351
CrossesLee Springs Branch
Location3.1 MI SE JCT I24&SR10
RouteCounty Highway 0A351
Coordinates35.79073, -86.34829
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 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 rating45.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2020)
Projected traffic5,600 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$248,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A351 over Lee Springs Branch built?

It was built in 1990, making it 35 years old in 2025.

What condition is Nfa A351 over Lee Springs Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Nfa A351 over Lee Springs Branch carry?

About 3,500 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A351 over Lee Springs Branch?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Nfa A351 over Lee Springs Branch?

It is owned by the County Highway Agency.