US Bridges

SR 59 over Keller Creek

Fair

Baldwin County, Alabama · 0.1 MI S CO RD 12 · Structure no. 011677

Built
1974
51 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
51 ft
4 main spans
Daily traffic
39,844
2023 count
Owner
State
State Highway Agency

About this bridge

SR 59 over Keller Creek is a concrete culvert carrying SR 59 over Keller Creek in Baldwin County, Alabama. It was built in 1974, so it is 51 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 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 39,844 vehicles a day, roughly 5% of them trucks, projected to reach 59,766 by 2043. The structure is 51 ft (15.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 59
CrossesKeller Creek
Location0.1 MI S CO RD 12
RouteState Highway 59
StateAlabama
Coordinates30.35364, -87.68317
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating85.2 US tons
Inventory rating51.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,844 (2023)
Projected traffic59,766 by 2043
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 59 over Keller Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is SR 59 over Keller 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 SR 59 over Keller Creek carry?

About 39,844 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 59 over Keller Creek?

The structure is 51 ft (15.5 m) long with a longest span of 12 ft (3.7 m).

Who owns SR 59 over Keller Creek?

It is owned by the State Highway Agency.