US Bridges

Nfa A450 over Goose Creek

Good

Macon County, Tennessee · 6.5 M SW of Lafayette · Structure no. 560A4500009

Built
1987
38 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
98 ft
3 main spans
Daily traffic
190
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A450 over Goose Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A450 over Goose Creek in Macon County, Tennessee. It was built in 1987, so it is 38 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 190 vehicles a day, roughly 15% of them trucks, projected to reach 304 by 2041. The structure is 98 ft (29.9 m) long and 25 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesNfa A450
CrossesGoose Creek
Location6.5 M SW of Lafayette
RouteCounty Highway 450
CountyMacon County
StateTennessee
Coordinates36.43687, -86.07885
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span32 ft (9.8 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2020)
Projected traffic304 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 A450 over Goose Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Nfa A450 over Goose 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 September 2023.

How much traffic does Nfa A450 over Goose Creek carry?

About 190 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Nfa A450 over Goose Creek?

The structure is 98 ft (29.9 m) long with a longest span of 32 ft (9.8 m) and a deck 25 ft wide.

Who owns Nfa A450 over Goose Creek?

It is owned by the County Highway Agency.