US Bridges

Nfa 1917 over Nfa 1917 Pewitt / I840

Good

Williamson County, Tennessee · 5.5 Mi. SE JCT SR46&SR100 · Structure no. 94SR8400015

Built
2006
19 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
285 ft
2 main spans
Daily traffic
280
2021 count
Owner
State
State Highway Agency

About this bridge

Nfa 1917 over Nfa 1917 Pewitt / I840 is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa 1917 over Nfa 1917 Pewitt / 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 280 vehicles a day, roughly 3% of them trucks, projected to reach 384 by 2041. The structure is 285 ft (86.9 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1917
CrossesNfa 1917 Pewitt / I840
Location5.5 Mi. SE JCT SR46&SR100
RouteCounty Highway 1917
Coordinates35.89427, -87.13077
Functional classRural Minor Collector

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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating38.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length285 ft (86.9 m)
Longest span151 ft (46.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2021)
Projected traffic384 by 2041
Trucks3%
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 1917 over Nfa 1917 Pewitt / I840 built?

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

What condition is Nfa 1917 over Nfa 1917 Pewitt / 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 1917 over Nfa 1917 Pewitt / I840 carry?

About 280 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1917 over Nfa 1917 Pewitt / I840?

The structure is 285 ft (86.9 m) long with a longest span of 151 ft (46.1 m) and a deck 32 ft wide.

Who owns Nfa 1917 over Nfa 1917 Pewitt / I840?

It is owned by the State Highway Agency.