US Bridges

CO Rt 837 over Coal Creek

PoorPosted for load

DeKalb County, Alabama · 0.5 MI N CO Rt 4 T9SR5E · Structure no. 012243

Built
1906
119 years old, rebuilt 1980
Condition
Poor
inspected March 2023
Type
Channel Beam
Concrete
Length
34 ft
1 main span
Daily traffic
106
2023 count
Owner
County
County Highway Agency

About this bridge

CO Rt 837 over Coal Creek is a concrete channel beam carrying CO Rt 837 over Coal Creek in DeKalb County, Alabama. It was built in 1906 and reconstructed in 1980, so it is 119 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 4 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 106 vehicles a day, projected to reach 158 by 2043. The structure is 34 ft (10.4 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCO Rt 837
CrossesCoal Creek
Location0.5 MI N CO Rt 4 T9SR5E
RouteCounty Highway 2
StateAlabama
Coordinates34.21643, -86.05627
Functional classRural Minor Collector

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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating14.9 US tons
Inventory rating10.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106 (2023)
Projected traffic158 by 2043
Trucks0%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$322,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO Rt 837 over Coal Creek built?

It was built in 1906, making it 119 years old in 2025. It was reconstructed in 1980.

What condition is CO Rt 837 over Coal 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 March 2023.

How much traffic does CO Rt 837 over Coal Creek carry?

About 106 vehicles per day (2023 count).

How long is CO Rt 837 over Coal Creek?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.

Who owns CO Rt 837 over Coal Creek?

It is owned by the County Highway Agency.