US Bridges

CO 30 over Buck Creek

Good

Clay County, Alabama · 1.5 MI W Shiloh Ch · Structure no. 004030

Built
1951
74 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
320
2016 count
Owner
County
County Highway Agency

About this bridge

CO 30 over Buck Creek is a concrete culvert carrying CO 30 over Buck Creek in Clay County, Alabama. It was built in 1951, so it is 74 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 320 vehicles a day, roughly 1% of them trucks, projected to reach 480 by 2036. The structure is 22 ft (6.7 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCO 30
CrossesBuck Creek
Location1.5 MI W Shiloh Ch
RouteCounty Highway 11
StateAlabama
Coordinates33.25822, -85.76389
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.1 US tons
Inventory rating54 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (2016)
Projected traffic480 by 2036
Trucks1%
Lanes on structure2
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$264,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO 30 over Buck Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is CO 30 over Buck 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 February 2025.

How much traffic does CO 30 over Buck Creek carry?

About 320 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is CO 30 over Buck Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns CO 30 over Buck Creek?

It is owned by the County Highway Agency.