US Bridges

Nfa 1806 (sa 4312) over Trace Creek

Good

Humphreys County, Tennessee · 5.44 Mi. Se. SR13. · Structure no. 43018060007

Built
2023
2 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
503
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1806 (sa 4312) over Trace Creek is a prestressed concrete stringer/multi-beam or girder carrying Nfa 1806 (sa 4312) over Trace Creek in Humphreys County, Tennessee. It was built in 2023, so it is 2 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 503 vehicles a day, roughly 3% of them trucks, projected to reach 805 by 2042. The structure is 86 ft (26.3 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1806 (sa 4312)
CrossesTrace Creek
Location5.44 Mi. Se. SR13.
RouteCounty Highway 1806
CountyHumphreys County
StateTennessee
Coordinates36.12217, -87.68356
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length86 ft (26.3 m)
Longest span82 ft (25.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic503 (2021)
Projected traffic805 by 2042
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$833,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1806 (sa 4312) over Trace Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Nfa 1806 (sa 4312) over Trace 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 1806 (sa 4312) over Trace Creek carry?

About 503 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1806 (sa 4312) over Trace Creek?

The structure is 86 ft (26.3 m) long with a longest span of 82 ft (25.1 m) and a deck 26 ft wide.

Who owns Nfa 1806 (sa 4312) over Trace Creek?

It is owned by the County Highway Agency.