US Bridges

Insbrooke Parkway over Turkey Creek Tributary

Fair

Jefferson County, Alabama · 1/4 MI E Al HWY 79 · Structure no. 016693

Built
1980
45 years old
Condition
Fair
inspected February 2025
Type
Culvert
Steel
Length
53 ft
3 main spans
Daily traffic
430
2025 count
Owner
County
County Highway Agency

About this bridge

Insbrooke Parkway over Turkey Creek Tributary is a steel culvert carrying Insbrooke Parkway over Turkey Creek Tributary in Jefferson County, Alabama. It was built in 1980, so it is 45 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 430 vehicles a day, roughly 1% of them trucks, projected to reach 625 by 2045. The structure is 53 ft (16.2 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesInsbrooke Parkway
CrossesTurkey Creek Tributary
Location1/4 MI E Al HWY 79
RouteCounty Highway 0
CountyJefferson County
StateAlabama
Coordinates33.70546, -86.66491
Functional classRural 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.9 US tons
Inventory rating71.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span17 ft (5.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2025)
Projected traffic625 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedNone recorded
Estimated improvement cost$1.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Insbrooke Parkway over Turkey Creek Tributary built?

It was built in 1980, making it 45 years old in 2025.

What condition is Insbrooke Parkway over Turkey Creek Tributary 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 February 2025.

How much traffic does Insbrooke Parkway over Turkey Creek Tributary carry?

About 430 vehicles per day (2025 count), of which roughly 1% are trucks.

How long is Insbrooke Parkway over Turkey Creek Tributary?

The structure is 53 ft (16.2 m) long with a longest span of 17 ft (5.3 m).

Who owns Insbrooke Parkway over Turkey Creek Tributary?

It is owned by the County Highway Agency.