US Bridges

CO.HWY.306 over N.Fork Buxahatachee Crk.

Fair

Shelby County, Alabama · 150 East Al 25 · Structure no. 015729

Built
1993
32 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
796
2024 count
Owner
County
County Highway Agency

About this bridge

CO.HWY.306 over N.Fork Buxahatachee Crk. is a concrete culvert carrying CO.HWY.306 over N.Fork Buxahatachee Crk. in Shelby County, Alabama. It was built in 1993, so it is 32 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 796 vehicles a day, roughly 5% of them trucks, projected to reach 1,114 by 2044. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCO.HWY.306
CrossesN.Fork Buxahatachee Crk.
Location150 East Al 25
RouteCounty Highway 306
StateAlabama
Coordinates33.10633, -86.73202
Functional classRural Minor 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
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 rating66.6 US tons
Inventory rating39.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (6.9 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 traffic796 (2024)
Projected traffic1,114 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$427,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO.HWY.306 over N.Fork Buxahatachee Crk. built?

It was built in 1993, making it 32 years old in 2025.

What condition is CO.HWY.306 over N.Fork Buxahatachee Crk. 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 October 2024.

How much traffic does CO.HWY.306 over N.Fork Buxahatachee Crk. carry?

About 796 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is CO.HWY.306 over N.Fork Buxahatachee Crk.?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).

Who owns CO.HWY.306 over N.Fork Buxahatachee Crk.?

It is owned by the County Highway Agency.