US Bridges

CO RD 536 over Black Oak Creek

PoorPosted for load

DeKalb County, Alabama · 1MI S CO Rt 50 T7SR6E · Structure no. 001770

Built
1938
87 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
95
2024 count
Owner
County
County Highway Agency

About this bridge

CO RD 536 over Black Oak Creek is a steel stringer/multi-beam or girder carrying CO RD 536 over Black Oak Creek in DeKalb County, Alabama. It was built in 1938, so it is 87 years old, older than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 95 vehicles a day, projected to reach 141 by 2044. The structure is 30 ft (9.1 m) long and 11 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCO RD 536
CrossesBlack Oak Creek
Location1MI S CO Rt 50 T7SR6E
RouteCounty Highway 27
StateAlabama
Coordinates34.45348, -86.0133
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating3 US tons
Inventory rating2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width11 ft (3.4 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95 (2024)
Projected traffic141 by 2044
Trucks0%
Lanes on structure1
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$132,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 536 over Black Oak Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is CO RD 536 over Black Oak Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does CO RD 536 over Black Oak Creek carry?

About 95 vehicles per day (2024 count).

How long is CO RD 536 over Black Oak Creek?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 11 ft wide.

Who owns CO RD 536 over Black Oak Creek?

It is owned by the County Highway Agency.