US Bridges

Nfa 5574 (sa 8017) over Dixon Creek

Good

Smith County, Tennessee · 5.2 MI NW JCT SR85&SR80 · Structure no. 80020820001

Built
1960
65 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
575
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 5574 (sa 8017) over Dixon Creek is a prestressed concrete box beam or girders - multiple carrying Nfa 5574 (sa 8017) over Dixon Creek in Smith County, Tennessee. It was built in 1960, so it is 65 years old, older 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 575 vehicles a day, roughly 3% of them trucks, projected to reach 990 by 2041. The structure is 78 ft (23.8 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 5574 (sa 8017)
CrossesDixon Creek
Location5.2 MI NW JCT SR85&SR80
RouteCounty Highway 5574
Coordinates36.3631, -86.0495
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 15
Structure length78 ft (23.8 m)
Longest span37 ft (11.3 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic575 (2021)
Projected traffic990 by 2041
Trucks3%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$146,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 5574 (sa 8017) over Dixon Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa 5574 (sa 8017) over Dixon 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 June 2023.

How much traffic does Nfa 5574 (sa 8017) over Dixon Creek carry?

About 575 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 5574 (sa 8017) over Dixon Creek?

The structure is 78 ft (23.8 m) long with a longest span of 37 ft (11.3 m) and a deck 29 ft wide.

Who owns Nfa 5574 (sa 8017) over Dixon Creek?

It is owned by the County Highway Agency.