US Bridges

CO Rt 47 over Kirby Creek

Fair

Jackson County, Alabama · 3.3 MI N JCT SR 35 · Structure no. 000986

Built
1932
93 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
72 ft
2 main spans
Daily traffic
1,040
1989 count
Owner
County
County Highway Agency

About this bridge

CO Rt 47 over Kirby Creek is a concrete tee beam carrying CO Rt 47 over Kirby Creek in Jackson County, Alabama. It was built in 1932, so it is 93 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 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 1,040 vehicles a day, roughly 11% of them trucks, projected to reach 2,270 by 2040. The structure is 72 ft (21.9 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCO Rt 47
CrossesKirby Creek
Location3.3 MI N JCT SR 35
RouteCounty Highway 47
StateAlabama
Coordinates34.59155, -85.91847
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be 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 typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length72 ft (21.9 m)
Longest span36 ft (11 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,040 (1989)
Projected traffic2,270 by 2040
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$609,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO Rt 47 over Kirby Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is CO Rt 47 over Kirby 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 March 2024.

How much traffic does CO Rt 47 over Kirby Creek carry?

About 1,040 vehicles per day (1989 count), of which roughly 11% are trucks.

How long is CO Rt 47 over Kirby Creek?

The structure is 72 ft (21.9 m) long with a longest span of 36 ft (11 m) and a deck 28 ft wide.

Who owns CO Rt 47 over Kirby Creek?

It is owned by the County Highway Agency.