US Bridges

Nfa 933 (sa 4314) over Blue Creek

FairPosted for load

Humphreys County, Tennessee · 6 M. E. SR 13. · Structure no. 43S62230009

Built
1952
73 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
2 main spans
Daily traffic
770
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 933 (sa 4314) over Blue Creek is a steel stringer/multi-beam or girder carrying Nfa 933 (sa 4314) over Blue Creek in Humphreys County, Tennessee. It was built in 1952, so it is 73 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. Its operating status is: posted for load restriction.

It carries about 770 vehicles a day, roughly 3% of them trucks, projected to reach 1,232 by 2042. The structure is 61 ft (18.6 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 933 (sa 4314)
CrossesBlue Creek
Location6 M. E. SR 13.
RouteCounty Highway 933
Coordinates36.0644, -87.64935
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating10.4 US tons
Inventory rating8.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length61 ft (18.6 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.2 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic770 (2021)
Projected traffic1,232 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$224,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 933 (sa 4314) over Blue Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is Nfa 933 (sa 4314) over 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 933 (sa 4314) over Blue Creek carry?

About 770 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 933 (sa 4314) over Blue Creek?

The structure is 61 ft (18.6 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns Nfa 933 (sa 4314) over Blue Creek?

It is owned by the County Highway Agency.