US Bridges

Nfa A487 over Side Slope

Good

Campbell County, Tennessee · In Vasper · Structure no. 070A4870005

Built
2013
12 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
170
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A487 over Side Slope is a prestressed concrete box beam or girders - single or spread carrying Nfa A487 over Side Slope in Campbell County, Tennessee. It was built in 2013, so it is 12 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 170 vehicles a day, roughly 2% of them trucks, projected to reach 272 by 2042. The structure is 53 ft (16.2 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A487
CrossesSide Slope
LocationIn Vasper
RouteCounty Highway 487
Coordinates36.27163, -84.19566
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length53 ft (16.2 m)
Longest span47 ft (14.3 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2020)
Projected traffic272 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 A487 over Side Slope built?

It was built in 2013, making it 12 years old in 2025.

What condition is Nfa A487 over Side Slope 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 April 2024.

How much traffic does Nfa A487 over Side Slope carry?

About 170 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A487 over Side Slope?

The structure is 53 ft (16.2 m) long with a longest span of 47 ft (14.3 m) and a deck 24 ft wide.

Who owns Nfa A487 over Side Slope?

It is owned by the County Highway Agency.