US Bridges

Nfa A151 over Little Crooked Creek

GoodPosted for load

Benton County, Tennessee · 1.6 MI SW JCT Houst&hump. · Structure no. 030A1510001

Built
1975
50 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Aluminum, Wrought Iron, or Cast Iron
Length
30 ft
2 main spans
Daily traffic
70
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A151 over Little Crooked Creek is a aluminum, wrought iron, or cast iron stringer/multi-beam or girder carrying Nfa A151 over Little Crooked Creek in Benton County, Tennessee. It was built in 1975, so it is 50 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 70 vehicles a day, roughly 7% of them trucks, projected to reach 112 by 2042. The structure is 30 ft (9.1 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A151
CrossesLittle Crooked Creek
Location1.6 MI SW JCT Houst&hump.
RouteCounty Highway 151
Coordinates36.22939, -87.97056
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
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 rating27.8 US tons
Inventory rating16.8 US tons

Structure

MaterialAluminum, Wrought Iron, or Cast Iron
DeckSteel plate
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width14 ft (4.4 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2020)
Projected traffic112 by 2042
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$217,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A151 over Little Crooked Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Nfa A151 over Little Crooked Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does Nfa A151 over Little Crooked Creek carry?

About 70 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Nfa A151 over Little Crooked Creek?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 14 ft wide.

Who owns Nfa A151 over Little Crooked Creek?

It is owned by the County Highway Agency.