US Bridges

Nfa A027 over Valley RD / I840

Good

Williamson County, Tennessee · 1.3 MI S JCT SR100&I840 · Structure no. 94SR8400009

Built
2006
19 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
304 ft
2 main spans
Daily traffic
100
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A027 over Valley RD / I840 is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A027 over Valley RD / I840 in Williamson County, Tennessee. It was built in 2006, so it is 19 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 160 by 2041. The structure is 304 ft (92.7 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A027
CrossesValley RD / I840
Location1.3 MI S JCT SR100&I840
RouteCounty Highway 27
Coordinates35.91806, -87.16896
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length304 ft (92.7 m)
Longest span152 ft (46.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic160 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A027 over Valley RD / I840 built?

It was built in 2006, making it 19 years old in 2025.

What condition is Nfa A027 over Valley RD / I840 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 November 2024.

How much traffic does Nfa A027 over Valley RD / I840 carry?

About 100 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A027 over Valley RD / I840?

The structure is 304 ft (92.7 m) long with a longest span of 152 ft (46.3 m) and a deck 32 ft wide.

Who owns Nfa A027 over Valley RD / I840?

It is owned by the State Highway Agency.