US Bridges

Nfa 1266 (sa 0501) over North Fork Crooked Creek

Fair

Blount County, Tennessee · 4 M. Se. Maryville. · Structure no. 050A6380001

Built
1987
38 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
1,118
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1266 (sa 0501) over North Fork Crooked Creek is a concrete continuous culvert carrying Nfa 1266 (sa 0501) over North Fork Crooked Creek in Blount County, Tennessee. It was built in 1987, so it is 38 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 1,118 vehicles a day, roughly 1% of them trucks, projected to reach 1,557 by 2042. The structure is 27 ft (8.2 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1266 (sa 0501)
CrossesNorth Fork Crooked Creek
Location4 M. Se. Maryville.
RouteCounty Highway 1266
CountyBlount County
StateTennessee
Coordinates35.71086, -83.92699
Functional classUrban 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,118 (2021)
Projected traffic1,557 by 2042
Trucks1%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$220,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1266 (sa 0501) over North Fork Crooked Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Nfa 1266 (sa 0501) over North Fork 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 1266 (sa 0501) over North Fork Crooked Creek carry?

About 1,118 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nfa 1266 (sa 0501) over North Fork Crooked Creek?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m) and a deck 35 ft wide.

Who owns Nfa 1266 (sa 0501) over North Fork Crooked Creek?

It is owned by the County Highway Agency.