US Bridges

Nfa 1080 (sa 5618) over Whiteoak Creek

Good

Macon County, Tennessee · 6 M NE of Lafayette · Structure no. 56F00030001

Built
1985
40 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
167 ft
3 main spans
Daily traffic
90
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1080 (sa 5618) over Whiteoak Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa 1080 (sa 5618) over Whiteoak Creek in Macon County, Tennessee. It was built in 1985, so it is 40 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 90 vehicles a day, roughly 2% of them trucks, projected to reach 189 by 2042. The structure is 167 ft (50.9 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1080 (sa 5618)
CrossesWhiteoak Creek
Location6 M NE of Lafayette
RouteCounty Highway 1080
Coordinates36.59398, -85.97788
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length167 ft (50.9 m)
Longest span55 ft (16.8 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2021)
Projected traffic189 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1080 (sa 5618) over Whiteoak Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa 1080 (sa 5618) over Whiteoak Creek 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 August 2023.

How much traffic does Nfa 1080 (sa 5618) over Whiteoak Creek carry?

About 90 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Nfa 1080 (sa 5618) over Whiteoak Creek?

The structure is 167 ft (50.9 m) long with a longest span of 55 ft (16.8 m) and a deck 24 ft wide.

Who owns Nfa 1080 (sa 5618) over Whiteoak Creek?

It is owned by the County Highway Agency.