US Bridges

Nfa A242 over Aldridge Creek

FairPosted for load

Dyer County, Tennessee · 0.1 MI S of Obion · Structure no. 230A2420001

Built
2000
25 years old
Condition
Fair
inspected November 2023
Type
Channel Beam
Concrete
Length
57 ft
2 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A242 over Aldridge Creek is a concrete channel beam carrying Nfa A242 over Aldridge Creek in Dyer County, Tennessee. It was built in 2000, so it is 25 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. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, roughly 2% of them trucks, projected to reach 64 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).

CarriesNfa A242
CrossesAldridge Creek
Location0.1 MI S of Obion
RouteCounty Highway 242
Coordinates36.20707, -89.33894
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length57 ft (17.4 m)
Longest span29 ft (8.7 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic64 by 2042
Trucks2%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A242 over Aldridge Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Nfa A242 over Aldridge 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 November 2023.

How much traffic does Nfa A242 over Aldridge Creek carry?

About 40 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A242 over Aldridge Creek?

The structure is 57 ft (17.4 m) long with a longest span of 29 ft (8.7 m) and a deck 22 ft wide.

Who owns Nfa A242 over Aldridge Creek?

It is owned by the County Highway Agency.