US Bridges

CR-20 over Estes Creek

Fair

Lamar County, Alabama · .1 Mi. S.W. Co. RD.6 · Structure no. 008226

Built
1964
61 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
130
2016 count
Owner
County
County Highway Agency

About this bridge

CR-20 over Estes Creek is a concrete culvert carrying CR-20 over Estes Creek in Lamar County, Alabama. It was built in 1964, so it is 61 years old, older 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 130 vehicles a day, roughly 13% of them trucks, projected to reach 193 by 2036. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCR-20
CrossesEstes Creek
Location.1 Mi. S.W. Co. RD.6
RouteCounty Highway 20
StateAlabama
Coordinates33.64608, -87.94839
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 alignment8: Equal to present desirable criteria
Operating rating45.2 US tons
Inventory rating25.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length26 ft (7.9 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2016)
Projected traffic193 by 2036
Trucks13%
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$294,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR-20 over Estes Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is CR-20 over Estes 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 December 2024.

How much traffic does CR-20 over Estes Creek carry?

About 130 vehicles per day (2016 count), of which roughly 13% are trucks.

How long is CR-20 over Estes Creek?

The structure is 26 ft (7.9 m) long with a longest span of 13 ft (4 m).

Who owns CR-20 over Estes Creek?

It is owned by the County Highway Agency.