US Bridges

FAU 3748 over Big Creek

Fair

Campbell County, Tennessee · In City of Lafollette · Structure no. 07037480001

Built
2015
10 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
97 ft
1 main span
Daily traffic
3,021
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3748 over Big Creek is a prestressed concrete box beam or girders - single or spread carrying FAU 3748 over Big Creek in Campbell County, Tennessee. It was built in 2015, so it is 10 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 3,021 vehicles a day, roughly 4% of them trucks, projected to reach 6,096 by 2040. The structure is 97 ft (29.6 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAU 3748
CrossesBig Creek
LocationIn City of Lafollette
RouteCity Street 3748
Coordinates36.38005, -84.11985
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length97 ft (29.6 m)
Longest span94 ft (28.5 m)
Deck width49 ft (14.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,021 (2021)
Projected traffic6,096 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3748 over Big Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is FAU 3748 over Big 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 April 2024.

How much traffic does FAU 3748 over Big Creek carry?

About 3,021 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 3748 over Big Creek?

The structure is 97 ft (29.6 m) long with a longest span of 94 ft (28.5 m) and a deck 49 ft wide.

Who owns FAU 3748 over Big Creek?

It is owned by the City or Municipal Highway Agency.