US Bridges

Nfa 815 (sa 9220) over Tommy Creek

PoorPosted for load

Weakley County, Tennessee · 2 MI E of Obion CO Line · Structure no. 92002670015

Built
1956
69 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
86 ft
3 main spans
Daily traffic
272
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 815 (sa 9220) over Tommy Creek is a concrete stringer/multi-beam or girder carrying Nfa 815 (sa 9220) over Tommy Creek in Weakley 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 272 vehicles a day, roughly 3% of them trucks, projected to reach 368 by 2040. The structure is 86 ft (26.2 m) long and 29 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesNfa 815 (sa 9220)
CrossesTommy Creek
Location2 MI E of Obion CO Line
RouteCounty Highway 815
Coordinates36.42253, -88.79056
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17.9 US tons
Inventory rating13.9 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length86 ft (26.2 m)
Longest span29 ft (8.7 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic272 (2021)
Projected traffic368 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$574,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

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

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

What condition is Nfa 815 (sa 9220) over Tommy Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

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

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

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

The structure is 86 ft (26.2 m) long with a longest span of 29 ft (8.7 m) and a deck 29 ft wide.

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

It is owned by the County Highway Agency.