US Bridges

Nfa A632 over Crooked Creek

FairPosted for load

Blount County, Tennessee · 5 M. W. Walland. · Structure no. 050A6320001

Built
1970
55 years old
Condition
Fair
inspected December 2023
Type
Culvert
Steel
Length
39 ft
3 main spans
Daily traffic
760
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A632 over Crooked Creek is a steel culvert carrying Nfa A632 over Crooked Creek in Blount County, Tennessee. It was built in 1970, so it is 55 years old, older 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 5 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 760 vehicles a day, roughly 2% of them trucks, projected to reach 1,216 by 2042. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A632
CrossesCrooked Creek
Location5 M. W. Walland.
RouteCounty Highway 632
Coordinates35.7105, -83.91288
Functional classUrban 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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic760 (2020)
Projected traffic1,216 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$572,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A632 over Crooked Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa A632 over Crooked 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 December 2023.

How much traffic does Nfa A632 over Crooked Creek carry?

About 760 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A632 over Crooked Creek?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Nfa A632 over Crooked Creek?

It is owned by the County Highway Agency.