US Bridges

Nfa A372 over Luyben Hills Rd. / I-40

FairPosted for load

Cheatham County, Tennessee · 3.65 M.Ne. Williamson Co. · Structure no. 11I00400005

Built
1960
65 years old, rebuilt 2007
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
305 ft
4 main spans
Daily traffic
9,010
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A372 over Luyben Hills Rd. / I-40 is a steel continuous stringer/multi-beam or girder carrying Nfa A372 over Luyben Hills Rd. / I-40 in Cheatham County, Tennessee. It was built in 1960 and reconstructed in 2007, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 9,010 vehicles a day, roughly 4% of them trucks, projected to reach 14,416 by 2040. The structure is 305 ft (92.9 m) long and 54 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesNfa A372
CrossesLuyben Hills Rd. / I-40
Location3.65 M.Ne. Williamson Co.
RouteCounty Highway 372
CountyCheatham County
StateTennessee
Coordinates36.0836, -87.09785
Functional classRural 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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.4 US tons
Inventory rating16.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length305 ft (92.9 m)
Longest span84 ft (25.6 m)
Deck width54 ft (16.4 m)
Roadway width52 ft (15.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,010 (2020)
Projected traffic14,416 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A372 over Luyben Hills Rd. / I-40 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2007.

What condition is Nfa A372 over Luyben Hills Rd. / I-40 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 A372 over Luyben Hills Rd. / I-40 carry?

About 9,010 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A372 over Luyben Hills Rd. / I-40?

The structure is 305 ft (92.9 m) long with a longest span of 84 ft (25.6 m) and a deck 54 ft wide.

Who owns Nfa A372 over Luyben Hills Rd. / I-40?

It is owned by the State Highway Agency.