US Bridges

Nfa 1785 (sa 4214) over Yellow Creek

Fair

Houston County, Tennessee · 8 M SE of Erin · Structure no. 42G02120003

Built
1985
40 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
337 ft
4 main spans
Daily traffic
174
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1785 (sa 4214) over Yellow Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa 1785 (sa 4214) over Yellow Creek in Houston County, Tennessee. It was built in 1985, so it is 40 years old, younger 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 174 vehicles a day, roughly 3% of them trucks, projected to reach 278 by 2042. The structure is 337 ft (102.7 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1785 (sa 4214)
CrossesYellow Creek
Location8 M SE of Erin
RouteCounty Highway 1785
Coordinates36.29718, -87.54985
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating61.1 US tons
Inventory rating36.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length337 ft (102.7 m)
Longest span84 ft (25.6 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic174 (2021)
Projected traffic278 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 1785 (sa 4214) over Yellow Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa 1785 (sa 4214) over Yellow 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 January 2024.

How much traffic does Nfa 1785 (sa 4214) over Yellow Creek carry?

About 174 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1785 (sa 4214) over Yellow Creek?

The structure is 337 ft (102.7 m) long with a longest span of 84 ft (25.6 m) and a deck 24 ft wide.

Who owns Nfa 1785 (sa 4214) over Yellow Creek?

It is owned by the County Highway Agency.