US Bridges

CO RD 493 over Big Culvert Creek

Good

Jackson County, Alabama · 0.2 MI W Int CR 93 · Structure no. 001295

Built
1935
90 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete
Length
24 ft
2 main spans
Daily traffic
40
1990 count
Owner
County
County Highway Agency

About this bridge

CO RD 493 over Big Culvert Creek is a concrete slab carrying CO RD 493 over Big Culvert Creek in Jackson County, Alabama. It was built in 1935, so it is 90 years old, older than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, roughly 2% of them trucks, projected to reach 69 by 2038. The structure is 24 ft (7.3 m) long and 22 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesCO RD 493
CrossesBig Culvert Creek
Location0.2 MI W Int CR 93
RouteCounty Highway 493
StateAlabama
Coordinates34.97631, -85.67495
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 10
Structure length24 ft (7.3 m)
Longest span12 ft (3.7 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (1990)
Projected traffic69 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 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$218,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 493 over Big Culvert Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is CO RD 493 over Big Culvert Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does CO RD 493 over Big Culvert Creek carry?

About 40 vehicles per day (1990 count), of which roughly 2% are trucks.

How long is CO RD 493 over Big Culvert Creek?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m) and a deck 22 ft wide.

Who owns CO RD 493 over Big Culvert Creek?

It is owned by the County Highway Agency.