US Bridges

Co. RD.37 over I20

Fair

Cleburne County, Alabama · 8.7 MI E JCT Al 46 · Structure no. 010861

Built
1973
52 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
344 ft
4 main spans
Daily traffic
528
2022 count
Owner
State
State Highway Agency

About this bridge

Co. RD.37 over I20 is a steel continuous stringer/multi-beam or girder carrying Co. RD.37 over I20 in Cleburne County, Alabama. It was built in 1973, so it is 52 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 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 528 vehicles a day, roughly 8% of them trucks, projected to reach 739 by 2042. The structure is 344 ft (104.9 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCo. RD.37
CrossesI20
Location8.7 MI E JCT Al 46
RouteCounty Highway 37
CountyCleburne County
StateAlabama
Coordinates33.67126, -85.35872
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length344 ft (104.9 m)
Longest span104 ft (31.7 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic528 (2022)
Projected traffic739 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$2.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Co. RD.37 over I20 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Co. RD.37 over I20 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 February 2024.

How much traffic does Co. RD.37 over I20 carry?

About 528 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Co. RD.37 over I20?

The structure is 344 ft (104.9 m) long with a longest span of 104 ft (31.7 m) and a deck 30 ft wide.

Who owns Co. RD.37 over I20?

It is owned by the State Highway Agency.