US Bridges

FAU 4484 over Crooked Creek

Good

Blount County, Tennessee · 2 M. Se. Rockford. · Structure no. 050A5030001

Built
1995
30 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
1,690
2021 count
Owner
County
County Highway Agency

About this bridge

FAU 4484 over Crooked Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying FAU 4484 over Crooked Creek in Blount County, Tennessee. It was built in 1995, so it is 30 years old, younger 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.

It carries about 1,690 vehicles a day, roughly 1% of them trucks, projected to reach 2,704 by 2042. The structure is 120 ft (36.6 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFAU 4484
CrossesCrooked Creek
Location2 M. Se. Rockford.
RouteCounty Highway 4484
CountyBlount County
StateTennessee
Coordinates35.77133, -83.87762
Functional classUrban Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating46.7 US tons
Inventory rating23.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.3 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,690 (2021)
Projected traffic2,704 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$262,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 4484 over Crooked Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is FAU 4484 over 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 December 2023.

How much traffic does FAU 4484 over Crooked Creek carry?

About 1,690 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is FAU 4484 over Crooked Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.3 m) and a deck 31 ft wide.

Who owns FAU 4484 over Crooked Creek?

It is owned by the County Highway Agency.