US Bridges

Nfa 866 (sa 3511) over Mckinnie Creek

FairPosted for load

Hardeman County, Tennessee · 3 MI E of Fayette Co. · Structure no. 35S80540001

Built
1956
69 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
668
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 866 (sa 3511) over Mckinnie Creek is a concrete channel beam carrying Nfa 866 (sa 3511) over Mckinnie Creek in Hardeman County, Tennessee. It was built in 1956, so it is 69 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. Its operating status is: posted for load restriction.

It carries about 668 vehicles a day, roughly 3% of them trucks, projected to reach 1,021 by 2042. The structure is 57 ft (17.4 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 866 (sa 3511)
CrossesMckinnie Creek
Location3 MI E of Fayette Co.
RouteCounty Highway 866
CountyHardeman County
StateTennessee
Coordinates35.19297, -89.14542
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic668 (2021)
Projected traffic1,021 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 of existing bridge without deck rehabilitation
Estimated improvement cost$218,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 866 (sa 3511) over Mckinnie Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is Nfa 866 (sa 3511) over Mckinnie 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 August 2024.

How much traffic does Nfa 866 (sa 3511) over Mckinnie Creek carry?

About 668 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 866 (sa 3511) over Mckinnie Creek?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 22 ft wide.

Who owns Nfa 866 (sa 3511) over Mckinnie Creek?

It is owned by the County Highway Agency.