US Bridges

Nfa A315 over Hogan Rd. / I40 Ll

Fair

Dickson County, Tennessee · 2 M. E. SR46 over I40. · Structure no. 22I00400012

Built
1962
63 years old, rebuilt 2000
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
200 ft
3 main spans
Daily traffic
750
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A315 over Hogan Rd. / I40 Ll is a steel stringer/multi-beam or girder carrying Nfa A315 over Hogan Rd. / I40 Ll in Dickson County, Tennessee. It was built in 1962 and reconstructed in 2000, so it is 63 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 5 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 750 vehicles a day, roughly 2% of them trucks, projected to reach 1,200 by 2040. The structure is 200 ft (61 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A315
CrossesHogan Rd. / I40 Ll
Location2 M. E. SR46 over I40.
RouteCounty Highway 315
CountyDickson County
StateTennessee
Coordinates36.02413, -87.29445
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length200 ft (61 m)
Longest span76 ft (23.2 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2020)
Projected traffic1,200 by 2040
Trucks2%
Lanes on structure2
Traffic directionOne-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 statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$803,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A315 over Hogan Rd. / I40 Ll built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2000.

What condition is Nfa A315 over Hogan Rd. / I40 Ll 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 April 2024.

How much traffic does Nfa A315 over Hogan Rd. / I40 Ll carry?

About 750 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A315 over Hogan Rd. / I40 Ll?

The structure is 200 ft (61 m) long with a longest span of 76 ft (23.2 m) and a deck 29 ft wide.

Who owns Nfa A315 over Hogan Rd. / I40 Ll?

It is owned by the State Highway Agency.