US Bridges

County Road 5 over Isabelle Creek

Fair

Blount County, Alabama · 3 MI S of Sulphur Springs · Structure no. 009469

Built
1967
58 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
693
2024 count
Owner
County
County Highway Agency

About this bridge

County Road 5 over Isabelle Creek is a concrete culvert carrying County Road 5 over Isabelle Creek in Blount County, Alabama. It was built in 1967, so it is 58 years old, older 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 5 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 693 vehicles a day, roughly 10% of them trucks, projected to reach 1,030 by 2044. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty Road 5
CrossesIsabelle Creek
Location3 MI S of Sulphur Springs
RouteCounty Highway 400
CountyBlount County
StateAlabama
Coordinates33.89817, -86.89721
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
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
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating98 US tons
Inventory rating63.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length20 ft (6.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic693 (2024)
Projected traffic1,030 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$303,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 5 over Isabelle Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is County Road 5 over Isabelle 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 November 2024.

How much traffic does County Road 5 over Isabelle Creek carry?

About 693 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County Road 5 over Isabelle Creek?

The structure is 20 ft (6.1 m) long with a longest span of 10 ft (3 m).

Who owns County Road 5 over Isabelle Creek?

It is owned by the County Highway Agency.