US Bridges

CO Rt 437 Cul over Stream

Fair

Cullman County, Alabama · 1 MI S JCT I-65 · Structure no. 005551

Built
1956
69 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
35 ft
3 main spans
Daily traffic
2,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

CO Rt 437 Cul over Stream is a concrete culvert carrying CO Rt 437 Cul over Stream in Cullman County, Alabama. It was built in 1956, so it is 69 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 2,000 vehicles a day, roughly 7% of them trucks, projected to reach 2,800 by 2042. The structure is 35 ft (10.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCO Rt 437 Cul
CrossesStream
Location1 MI S JCT I-65
RouteCity Street 37
CountyCullman County
StateAlabama
Coordinates34.10215, -86.87475
Functional classRural Major 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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
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 alignment6: Equal to present minimum criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length35 ft (10.6 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2023)
Projected traffic2,800 by 2042
Trucks7%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$802,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO Rt 437 Cul over Stream built?

It was built in 1956, making it 69 years old in 2025.

What condition is CO Rt 437 Cul over Stream 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 January 2025.

How much traffic does CO Rt 437 Cul over Stream carry?

About 2,000 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is CO Rt 437 Cul over Stream?

The structure is 35 ft (10.6 m) long with a longest span of 10 ft (3.2 m).

Who owns CO Rt 437 Cul over Stream?

It is owned by the City or Municipal Highway Agency.