US Bridges

Nfa 1802 (sa 4313) over Little Blue Creek

Fair

Humphreys County, Tennessee · 3 Mi. Se. Waverly · Structure no. 43018020001

Built
1968
57 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
49 ft
3 main spans
Daily traffic
353
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1802 (sa 4313) over Little Blue Creek is a concrete continuous culvert carrying Nfa 1802 (sa 4313) over Little Blue Creek in Humphreys County, Tennessee. It was built in 1968, so it is 57 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 353 vehicles a day, roughly 3% of them trucks, projected to reach 565 by 2042. The structure is 49 ft (14.9 m) long and 29 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesNfa 1802 (sa 4313)
CrossesLittle Blue Creek
Location3 Mi. Se. Waverly
RouteCounty Highway 1802
Coordinates36.06438, -87.73257
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating57.1 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span15 ft (4.6 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic353 (2021)
Projected traffic565 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$68,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1802 (sa 4313) over Little Blue Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Nfa 1802 (sa 4313) over Little Blue 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 October 2023.

How much traffic does Nfa 1802 (sa 4313) over Little Blue Creek carry?

About 353 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1802 (sa 4313) over Little Blue Creek?

The structure is 49 ft (14.9 m) long with a longest span of 15 ft (4.6 m) and a deck 29 ft wide.

Who owns Nfa 1802 (sa 4313) over Little Blue Creek?

It is owned by the County Highway Agency.