US Bridges

Nfa 933 (sa 4314) over Wallace Branch

Fair

Humphreys County, Tennessee · 4 M. E. SR-13. · Structure no. 43S62230003

Built
1965
60 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
332
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 933 (sa 4314) over Wallace Branch is a concrete continuous culvert carrying Nfa 933 (sa 4314) over Wallace Branch in Humphreys County, Tennessee. It was built in 1965, so it is 60 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 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 332 vehicles a day, roughly 3% of them trucks, projected to reach 531 by 2042. The structure is 38 ft (11.7 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 933 (sa 4314)
CrossesWallace Branch
Location4 M. E. SR-13.
RouteCounty Highway 933
Coordinates35.96813, -87.66405
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.7 m)
Longest span10 ft (3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic332 (2021)
Projected traffic531 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 933 (sa 4314) over Wallace Branch built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa 933 (sa 4314) over Wallace Branch 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 933 (sa 4314) over Wallace Branch carry?

About 332 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 933 (sa 4314) over Wallace Branch?

The structure is 38 ft (11.7 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns Nfa 933 (sa 4314) over Wallace Branch?

It is owned by the County Highway Agency.