US Bridges

Nfa 1794 over Roberts Creek

Fair

Humphreys County, Tennessee · 6 MI W SR13 3MI N 0F I40 · Structure no. 43017940007

Built
1943
82 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
321
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1794 over Roberts Creek is a concrete continuous culvert carrying Nfa 1794 over Roberts Creek in Humphreys County, Tennessee. It was built in 1943, so it is 82 years old, older 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 6 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 321 vehicles a day, roughly 3% of them trucks, projected to reach 514 by 2042. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesNfa 1794
CrossesRoberts Creek
Location6 MI W SR13 3MI N 0F I40
RouteCounty Highway 1794
Coordinates35.9062, -87.90853
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic321 (2021)
Projected traffic514 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 1794 over Roberts Creek built?

It was built in 1943, making it 82 years old in 2025.

What condition is Nfa 1794 over Roberts 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 November 2023.

How much traffic does Nfa 1794 over Roberts Creek carry?

About 321 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1794 over Roberts Creek?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m).

Who owns Nfa 1794 over Roberts Creek?

It is owned by the County Highway Agency.