US Bridges

I22 over Unnamed Creek

Fair

Jefferson County, Alabama · North of Coalburg RD · Structure no. 017842

Built
2007
18 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
11,910
2024 count
Owner
State
State Highway Agency

About this bridge

I22 over Unnamed Creek is a concrete culvert carrying I22 over Unnamed Creek in Jefferson County, Alabama. It was built in 2007, so it is 18 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 11,910 vehicles a day, roughly 33% of them trucks, projected to reach 16,136 by 2044. The structure is 26 ft (7.9 m) long and 999 ft wide.

CarriesI22
CrossesUnnamed Creek
LocationNorth of Coalburg RD
RouteInterstate 22
StateAlabama
Coordinates33.58672, -86.83825
Functional classUrban Principal Arterial - Interstate

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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width999 ft (304.5 m)
Roadway width146 ft (44.5 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic11,910 (2024)
Projected traffic16,136 by 2044
Trucks33%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$8.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I22 over Unnamed Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is I22 over Unnamed 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 July 2024.

How much traffic does I22 over Unnamed Creek carry?

About 11,910 vehicles per day (2024 count), of which roughly 33% are trucks.

How long is I22 over Unnamed Creek?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m) and a deck 999 ft wide.

Who owns I22 over Unnamed Creek?

It is owned by the State Highway Agency.