US Bridges

Al - 75 over Whippoorwill Creek

Fair

Blount County, Alabama · 1.1 Mi.So. US 278 · Structure no. 018015

Built
2004
21 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
3 main spans
Daily traffic
5,760
2024 count
Owner
State
State Highway Agency

About this bridge

Al - 75 over Whippoorwill Creek is a prestressed concrete stringer/multi-beam or girder carrying Al - 75 over Whippoorwill Creek in Blount County, Alabama. It was built in 2004, so it is 21 years old, younger than the Alabama average of 51.1 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 5,760 vehicles a day, roughly 11% of them trucks, projected to reach 7,414 by 2044. The structure is 240 ft (73.2 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAl - 75
CrossesWhippoorwill Creek
Location1.1 Mi.So. US 278
RouteState Highway 75
StateAlabama
Coordinates34.10528, -86.40361
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.9 US tons
Inventory rating55.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span80 ft (24.4 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic5,760 (2024)
Projected traffic7,414 by 2044
Trucks11%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$2.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Al - 75 over Whippoorwill Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Al - 75 over Whippoorwill 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 Al - 75 over Whippoorwill Creek carry?

About 5,760 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Al - 75 over Whippoorwill Creek?

The structure is 240 ft (73.2 m) long with a longest span of 80 ft (24.4 m) and a deck 47 ft wide.

Who owns Al - 75 over Whippoorwill Creek?

It is owned by the State Highway Agency.