US Bridges

Nfa 815 (sa 9220) over Richland Creek

Fair

Weakley County, Tennessee · 1 MI E of Obion CO Line · Structure no. 92S80110013

Built
1996
29 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
326 ft
6 main spans
Daily traffic
272
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 815 (sa 9220) over Richland Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa 815 (sa 9220) over Richland Creek in Weakley County, Tennessee. It was built in 1996, so it is 29 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 272 vehicles a day, roughly 3% of them trucks, projected to reach 384 by 2041. The structure is 326 ft (99.4 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 815 (sa 9220)
CrossesRichland Creek
Location1 MI E of Obion CO Line
RouteCounty Highway 815
CountyWeakley County
StateTennessee
Coordinates36.44733, -88.80311
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length326 ft (99.4 m)
Longest span55 ft (16.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic272 (2021)
Projected traffic384 by 2041
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 815 (sa 9220) over Richland Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Nfa 815 (sa 9220) over Richland 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 September 2024.

How much traffic does Nfa 815 (sa 9220) over Richland Creek carry?

About 272 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 815 (sa 9220) over Richland Creek?

The structure is 326 ft (99.4 m) long with a longest span of 55 ft (16.8 m) and a deck 26 ft wide.

Who owns Nfa 815 (sa 9220) over Richland Creek?

It is owned by the County Highway Agency.