US Bridges

Nfa A150 over Trace Creek

Fair

Humphreys County, Tennessee · On Trace Cr. Rd. · Structure no. 430A1500001

Built
1978
47 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
108 ft
3 main spans
Daily traffic
670
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A150 over Trace Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A150 over Trace Creek in Humphreys County, Tennessee. It was built in 1978, so it is 47 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 670 vehicles a day, roughly 2% of them trucks, projected to reach 1,072 by 2042. The structure is 108 ft (32.9 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa A150
CrossesTrace Creek
LocationOn Trace Cr. Rd.
RouteCounty Highway 150
CountyHumphreys County
StateTennessee
Coordinates36.10562, -87.70952
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 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 loadUnknown
Structure length108 ft (32.9 m)
Longest span33 ft (10.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic670 (2020)
Projected traffic1,072 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 A150 over Trace Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Nfa A150 over Trace Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Nfa A150 over Trace Creek carry?

About 670 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A150 over Trace Creek?

The structure is 108 ft (32.9 m) long with a longest span of 33 ft (10.1 m) and a deck 28 ft wide.

Who owns Nfa A150 over Trace Creek?

It is owned by the County Highway Agency.